Boundless VT525 Manuel d'utilisateur

VT520/VT525VideoTerminalProgrammerInformationOrder Number: EK-VT520-RM. A01

2.15 Printer Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–542.15.1 Port Select . . . . . . . .

Desktop Features3.2 Invoking Desktop FeaturesMA049193.GRAWhile these desktop features are enabled, other terminal functions are disabled.PressCtrl Z,F

Desktop Features3.3 CalculatorFigure 3–1 Calculator with VT Keyboard LayoutDec Dec DecNormal Shift Down Alt DownHex Oct Hex Oct Hex OctM 99999999. × 9

Desktop Features3.3 CalculatorMain Keypad Key Calculator Function+ ,(VT keyboard);+(PC keyboard)- -*/=same asEnter. .<xC/EFigure 3–2 Calculator wit

Desktop Features3.3 CalculatorThe calculator allows the user to add, subtract, multiply, and divide real numbersin the range [-99,999,999. through +99

Desktop Features3.4 ClockFigure 3–3 Clock FunctionMA−0325−93.GRAThe following keys have these functions:Key(s) FunctionandTabMove the cursor to the ne

Desktop Features3.5 Review Previous Lines3.5 Review Previous LinesIn Set-Up or through software, you can allocate the pages that are assigned toeach s

Desktop Features3.6 Character Set Tables3.6.2 Banner messageThe Banner message is the message that is displayed when you turn the terminalon. You can

Part IIVT520 ANSI ModeThis part includes the following chapters:• Chapter 4, ANSI Control Functions Summary• Chapter 5, ANSI Control Functions• Chapte

4ANSI Control Functions Summary4.1 IntroductionThis chapter provides a general description of ANSI control functions. Thischapter provides information

4.6 Terminal Management Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–154.7 ANSI Control Function Tables . . . . . . . .

ANSI Control Functions Summary4.2 Control CharactersTable 4–1 C0 (7-Bit) Control Characters RecognizedNameMnemonicColumn/Row FunctionNull NUL0/0NUL ha

ANSI Control Functions Summary4.2 Control CharactersTable 4–1 (Cont.) C0 (7-Bit) Control Characters RecognizedNameMnemonicColumn/Row FunctionEscape ES

ANSI Control Functions Summary4.2 Control CharactersTable 4–2 (Cont.) C1 (8-Bit) Control Characters RecognizedNameMnemonicColumn/Row FunctionStringter

ANSI Control Functions Summary4.3 Control Functions4.3 Control FunctionsYou use control functions to make the terminal perform special actions in your

ANSI Control Functions Summary4.3 Control FunctionsNoteSpaces appear between characters in a sequence for clarity. These spacesare not part of the seq

ANSI Control Functions Summary4.3 Control Functions4.3.3.2 ParametersP...P are parameter characters received after CSI. These characters are in the3/0

ANSI Control Functions Summary4.3 Control Functions4.3.3.3 Intermediate CharactersI...I are zero or more intermediate characters received after CSI. T

ANSI Control Functions Summary4.3 Control FunctionsThe following is an example of a device control string:DCS9/003/0!2/1u7/5%2/553/5ST9/12Devicecontro

ANSI Control Functions Summary4.4 Working with 7-Bit and 8-Bit Environments4.4 Working with 7-Bit and 8-Bit EnvironmentsThere are three requirements f

ANSI Control Functions Summary4.5 Showing Control Characters4.5 Showing Control CharactersThe VT520 lets you display control characters as graphic cha

DECAWM—Autowrap Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–25DECBBSM—Bold and Blink Style Mode . . . . . . . . . . .

ANSI Control Functions Summary4.5 Showing Control CharactersTable 4–4 (Cont.) Control Character Displayed on ScreenControl Characterin Large FontContr

ANSI Control Functions Summary4.5 Showing Control CharactersTable 4–4 (Cont.) Control Character Displayed on ScreenControl Characterin Large FontContr

ANSI Control Functions Summary4.5 Showing Control CharactersFigure 4–1 7-bit ASCII Code Table with C0 Control Characters Font (Left Half)b5b6b7b800000

ANSI Control Functions Summary4.5 Showing Control CharactersFigure 4–2 8-bit ASCII Code Table with C1 Control Characters Font (Right Half)b5b6b7b80001

ANSI Control Functions Summary4.7 ANSI Control Function Tables4.7 ANSI Control Function TablesThe tables in this section summarize the ANSI Control Fu

ANSI Control Functions Summary4.7 ANSI Control Function Tables4.7.2 Window Management Control FunctionsWINDOW MANAGEMENT Control FunctionCoupling Mode

ANSI Control Functions Summary4.7 ANSI Control Function Tables4.7.3 Audible Attributes Control FunctionsControl FunctionAudible Attributes VT520 VT420

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionColor Selection VT520 VT420 VT100 Mnemonic2 Reverse 10 Underline blink3

ANSI Control Functions Summary4.7 ANSI Control Function Tables4.7.5 Visual Attributes Control FunctionsControl FunctionVisual Attributes VT520 VT420 V

ANSI Control Functions Summary4.7 ANSI Control Function Tables4.7.6 Editing Control FunctionsControl FunctionEDITING VT520 VT420 VT100 MnemonicDelete

DECLL—Load LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–71DECLRMM—Left Right Margin Mode . . . . . . . . .

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionRectangle Area Processing VT520 VT420 VT100 MnemonicChange Attribute in

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionCursor Position VT520 VT420 VT100 MnemonicCursor Previous Line CSI Pn F

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionHorizontal Tabs—Set/Clear VT520 VT420 VT100 MnemonicSet Horizontal Tab E

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionPage Movement VT520 VT420 VT100 MnemonicNext Page CSI Pn U same same NPP

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionGRAPHIC CHARACTER SETS VT520 VT420 VT100 Mnemonic" > Greek NRCSD

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl Characters and Control FunctionCode Extension Functions VT520 VT420 VT100 Mnemon

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionKeyboard Function VT520 VT420 VT100 MnemonicCursor Keys Mode same same D

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionKeyboard Function VT520 VT420 VT100 MnemonicPs2 Keyboard Language (VT/PC

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionProgram Keys VT520 VT420 VT100 MnemonicProgram Alphanumeric Key DCS &quo

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionKey Type, Click, Lock, LEDs VT520 VT420 VT100 MnemonicRequest Key Definit

DECRSTS—Restore Terminal Color Table State . . . . . . . . . . . . . . . . . . . . 5–118DECSACE—Select Attribute Change Extent . . . . . . . . . . . .

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionUser-Defined Keys VT520 VT420 VT100 MnemonicUser Defined Keys DCS Ps1; Ps2

ANSI Control Functions Summary4.7 ANSI Control Function Tables4.7.10 Printer Control FunctionsControl FunctionPrinter Port Function VT520 VT420 VT100

ANSI Control Functions Summary4.7 ANSI Control Function Tables862 PC Hebrew863 PC French-Canadian865 PC Danish/Norwegian866 PC CyrillicStart/stop prin

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionDevice Attributes VT520 VT420 VT100 MnemonicDevice Attributes orPrimary

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionTerminal Modes VT520 VT420 VT100 MnemonicEnter/Exit VT PCTerm Mode orsel

ANSI Control Functions Summary4.7 ANSI Control Function TablesMode Description ANSI Mode DEC ModePaMnemonic4Pd Mnemonic ModeGuarded area transfer 1 GA

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionTerminal Modes VT520 VT420 VT100 MnemonicReport Mode (ANSI) CSI Pa; Ps $

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionReset Terminal VT520 VT420 VT100 MnemonicReset to Initial state ESC c sa

ANSI Control Functions Summary4.7 ANSI Control Function TablesTerminal Management – Control FunctionCommunication Function VT520 VT420 VT100 MnemonicS

ANSI Control Functions Summary4.7 ANSI Control Function Tables4.7.13 Terminal Synchronization Control FunctionsControl FunctionTerminal Synchronizatio

DECTCEM—Text Cursor Enable Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–157DECTID—Select Terminal ID . . . . . . . . . . . . . . . . .

ANSI Control Functions Summary4.7 ANSI Control Function Tables4.7.14 Reports Control FunctionsControl FunctionMacros VT520 VT420 VT100 MnemonicDefine M

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionReports VT520 VT420 VT100 MnemonicReport Selection or Setting(See DECRQS

ANSI Control Functions Summary4.7 ANSI Control Function TablesControl FunctionReports VT520 VT420 VT100 MnemonicRestore Presentation State DCS Ps $ t

ANSI Control Functions Summary4.8 VT52 Mode Escape Sequences4.8 VT52 Mode Escape SequencesTable 4–5 shows the escape sequences that the terminal recog

5ANSI Control FunctionsThis chapter describes the ANSI escape and control sequences in detail, whereasthe previous chapter provides only a brief summa

ANSI Conformance LevelsThe VT520 supports three ANSI conformance levels.ANSI Levels 1 and 2• ASCII designated as G0.• ISO Latin-1 supplemental designa

CBT—Cursor Backward TabulationCBT—Cursor Backward TabulationMove the active position n tabs backward.Default: 1.FormatCSI9/11Pn3/nZ5/10ParametersPnis

CHT—Cursor Horizontal Forward TabulationCHT—Cursor Horizontal Forward TabulationMove the active position n tabs forward.Default: 1.FormatCSI9/11Pn3/nI

CPL—Cursor Previous LineCPL—Cursor Previous LineMove the cursor to the preceding line.Default: 1.FormatCSI9/11Pn3/nF4/6ParametersPnis the number of ac

S8C1T—Send C1 Control Character to the Host . . . . . . . . . . . . . . . . . . . . 5–196SCS—Select Character Set . . . . . . . . . . . . . . . . . .

CRM—Show Control Character ModeCRM—Show Control Character ModeEnable or disable control characters to be displayed.Default: InterpretFormatCSI9/1133/3

CUB—Cursor BackwardCUB—Cursor BackwardThis control function moves the cursor to the left by a specified number ofcolumns. The cursor stops at the left

CUP—Cursor PositionCUP—Cursor PositionThis control function moves the cursor to the specified line and column. Thestarting point for lines and columns

DA1—Primary Device AttributesDA1—Primary Device AttributesIn this DA exchange, the host asks for the terminal’s architectural class and basicattribute

DA1—Primary Device AttributesPs Meaning1 132 columns2 Printer port6 Selective erase7 Soft character set (DRCS)8 User-defined keys (UDKs)9 National repl

DA2—Secondary Device AttributesDA2—Secondary Device AttributesIn this DA exchange, the host requests the terminal’s identification code,firmware version

DA3—Tertiary Device AttributesDA3—Tertiary Device AttributesIn this DA exchange, the host asks for the terminal unit identification code. ThisID code s

DCH—Delete CharacterDCH—Delete CharacterThis control function deletes one or more characters from the cursor position tothe right.FormatCSI9/11Pn3/nP5

DDD1, DDD2, DDD3DDD1, DDD2, DDD3DDD2 and DDD3 only work in VT100 mode when the Hebrew keyboard, DDD1,is selected.FormatESC1/7)2/913/1DDD1ESC1/7)2/9B4/

DECAAM—Set/Reset Auto Answerback ModeDECAAM—Set/Reset Auto Answerback ModeSelects whether the terminal automatically sends (enables) or does not send(

8 Keyboard Processing8.1 Overview—Keyboard Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–18.2 DEC VT Layout . . . . .

DECAC—Assign ColorDECAC—Assign ColorSelects the colors used for normal text.Default: ANSI SGR colorFormatCSI9/11Ps1 Ps2 Ps3,2/12|7/12ParametersPs1Item

DECALN—Screen Alignment PatternDECALN—Screen Alignment PatternThis control function fills the complete screen area with a test pattern used foradjustin

DECANM—ANSI ModeDECANM—ANSI ModeDECANM changes the terminal to the VT52 mode of operation. In VT52 mode,the terminal acts like a VT52 terminal. This m

DECANM Exit—Exiting ANSI (VT52) ModeDECANM Exit—Exiting ANSI (VT52) ModeWhen the terminal exits VT52 mode, it returns to the previous mode beforeenter

DECARR—Select Auto Repeat RateDECARR—Select Auto Repeat RateControls the keystroke auto repeat rate.Default: Fast (30/sec)FormatCSI9/11Ps-2/13p7/0Para

DECARSM—Set/Reset Auto Resize ModeDECARSM—Set/Reset Auto Resize ModeEnable or disable changing the lines per screen automatically when the pagearrange

DECATC—Alternate Text ColorDECATC—Alternate Text ColorSelects the colors used for text attribute combinations.FormatCSI9/11Ps1 Ps2 Ps3,2/12}7/13Parame

DECATCBM—Set/Reset Alternate Text Color Blink ModeDECATCBM—Set/Reset Alternate Text Color Blink ModeAllows text with blink attributes to blink.FormatC

DECAUPSS—Assigning User-Preferred Supplemental SetsDECAUPSS—Assigning User-Preferred Supplemental SetsYou can assign the supplemental character set yo

DECAWM—Autowrap ModeDECAWM—Autowrap ModeThis control function determines whether or not received characters automaticallywrap to the next line when th

9.2.4 Half-Duplex Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–79.2.5 Supported Modem Configurations . . . .

DECBI—Back IndexDECBI—Back IndexThis control function moves the cursor backward one column. If the cursor is atthe left margin, then all screen data w

DECCANSM—Conceal Answerback Message ModeDECCANSM—Conceal Answerback Message ModeConceal the answerback message.Default: Answerback message is not conc

DECCAPSLK—Caps Lock ModeDECCAPSLK—Caps Lock ModeDECCAPSLK controls the CapsLock state of the keyboard as if the CapsLock keyhad been pressed.FormatCSI

DECCARA—Change Attributes in Rectangular AreaPsn Meaning0(default)Attributes off (no bold, no underline, no blink, positive image)1 Bold4 Underline5 B

DECCIR—Cursor Information Report (Terminal to Host)DECCIR—Cursor Information Report (Terminal to Host)The terminal sends this sequence in response to

DECCKD—Copy Key DefaultDECCKD—Copy Key DefaultCopies the default states of a key and its key/modifier combination to another keyand its key/modifier com

DECCKM—Cursor Keys ModeDECCKM—Cursor Keys ModeThis control function selects the sequences the arrow keys send. You can use thefour arrow keys to move

DECCKSR—Memory Checksum ReportDECCKSR—Memory Checksum ReportThe host asks for a memory checksum report of current text macro definitions.Programming Ti

DECCOLM—Selecting 80 or 132 Columns per PageDECCOLM—Selecting 80 or 132 Columns per PageThere are two control functions that can set the page width to

DECCRA—Copy Rectangular AreaDECCRA—Copy Rectangular AreaThis control function copies a rectangular area of characters from one sectionto another in pa

11 ASCII Emulations and Control Functions11.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DECCRA—Copy Rectangular AreaNotes on DECCRA• If Pbs is greater than Pts, or Pls is greater than Prs, the terminal ignoresDECCRA.• The coordinates of t

DECCRTSM—Set/Reset CRT Save ModeDECCRTSM—Set/Reset CRT Save ModeEnable or disable CRT saver.Default: Enable CRT saver.FormatCSI9/11?3/1593/973/7h6/8Se

DECDHL—Double-Width, Double-Height LineDECDHL—Double-Width, Double-Height LineThese two control functions make the line with the cursor the top or bot

DECDLD—Dynamically Redefinable Character Sets ExtensionDECDLD—Dynamically Redefinable Character Sets ExtensionDECDLD loads your soft character set into

DECDLD—Dynamically Redefinable Character Sets ExtensionNOTES• If two downline loaded soft character sets have the same Dscs,then the most recently load

DECDLD—Dynamically Redefinable Character Sets ExtensionTable 5–2 DECDLD Parameter CharactersParameter Name DescriptionPfn Font number Selects the DRCS

DECDLD—Dynamically Redefinable Character Sets ExtensionTable 5–2 (Cont.) DECDLD Parameter CharactersParameter Name DescriptionPcmw Charactermatrix widt

DECDLD—Dynamically Redefinable Character Sets ExtensionTable 5–2 (Cont.) DECDLD Parameter CharactersParameter Name DescriptionWhen Pss specifies 132 col

DECDLD—Dynamically Redefinable Character Sets ExtensionTable 5–2 (Cont.) DECDLD Parameter CharactersParameter Name DescriptionYou can load a font for a

DECDMAC—Define MacroDECDMAC—Define MacroThis device control string lets you define a macro consisting of a string of ANSItext and control functions. Afte

July 1994Digital Equipment Corporation makes no representations that the use of its products in themanner described in this publication will not infri

E ANSI Control Function IndexE.1 ANSI Index by Final Character . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E–1GlossaryIndexFigur

DECDMAC—Define MacroWhen you use ASCII text (Pen = 0 or omitted), the macro consists of thegraphic characters that appear in the device control string.

DECDLDA—Down Line Load AllocationDECDLDA—Down Line Load AllocationThis control function controls the number of soft character sets (DECS) allowedper s

DECDWL—Double-Width, Single-Height LineDECDWL—Double-Width, Single-Height LineThis control function makes the line with the cursor a double-width, sin

DECEKBD—Extended Keyboard ReportDECEKBD—Extended Keyboard ReportThis control function is a report that provides applications with more completekeystro

DECEKBD—Extended Keyboard ReportDescriptionThe terminal only sends extended key position reports when key position mode(DECKPM) is set.The terminal us

DECELF—Enable Local FunctionsDECELF—Enable Local FunctionsThis control function lets you enable or disable the keys used to perform severallocal termi

DECERA—Erase Rectangular AreaDECERA—Erase Rectangular AreaThis control function erases characters from the specified rectangular area inpage memory. Wh

DECES—Enable SessionDECES—Enable SessionMake the session receiving this command the active session.FormatCSI9/11&2/6x7/8DescriptionThis command ma

DECFI—Forward IndexDECFI—Forward IndexThis control function moves the cursor forward one column. If the cursor is at theright margin, then all screen

DECFRA—Fill Rectangular AreaDECFRA—Fill Rectangular AreaThis control function fills a rectangular area in page memory with a specifiedcharacter. DECFRA

7–2 Character Body Sizes for 24-Line by 80- and 132-Column Fonts . . . . . 7–87–3 Example of an Uppercase D (24-Line by 80-Column Font). . . . . . . .

DECFWM—Set/Reset Framed Windows ModeDECFWM—Set/Reset Framed Windows ModeSelects whether or not session windows are displayed with window frames withfr

DECHEM—Hebrew Encoding ModeDECHEM—Hebrew Encoding ModeThis control function sets the terminal’s character set mode to DEC (8-bit)multinational mode. O

DECHEBM—Hebrew/N-A Keyboard Mapping ModeDECHEBM—Hebrew/N-A Keyboard Mapping ModeThis control function sets the keyboard mapping toHebrew/N-Aand resets

DECHWUM—Host Wake-Up Mode (CRT and Energy Saver)DECHWUM—Host Wake-Up Mode (CRT and Energy Saver)When the Host wake-up feature is selected, any charact

DECID—Identify DeviceDECID—Identify DeviceThis control function is similar to a primary device attributes (DA) request fromthe host.NoteUsing DECID is

DECINVM—Invoke MacroDECINVM—Invoke MacroThis control function lets you execute a stored macro. You store macros withthe define macro (DECDMAC) control

DECIPEM—Enter/Return from IBM ProPrinter Emulation ModeDECIPEM—Enter/Return from IBM ProPrinter Emulation ModeExit from DEC protocol and interpret sub

DECKBD—Keyboard Language SelectionDECKBD—Keyboard Language SelectionSelect a national keyboard language on either a VT keyboard or an Enhanced PCkeybo

DECKBD—Keyboard Language SelectionPs2 Keyboard Language (VT/PC)31 Hungarian33 Slovak34 Czech35 Polish36 Romanian38 SCS39 Russian40 Latin AmericanDescr

DECKBUM—Typewriter or Data Processing KeysDECKBUM—Typewriter or Data Processing KeysYou can select whether the main keyboard keys act as data processi

B–8 Dutch Enhanced PC Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–10B–9 Finnish Enhanced PC Keyboard . . . . . . . . . .

DECKPAM—Keypad Application ModesDECKPAM—Keypad Application ModesDECKPAM enables the numeric keypad to send application sequences to the host.See DECKP

DECKPNM—Keypad Numeric ModesDECKPNM—Keypad Numeric ModesDECKPNM enables the numeric keypad to send keypad characters to the host.See DECKPAM—Keypad Ap

DECLANS—Load Answerback MessageDECLANS—Load Answerback MessageThis sequence loads an answerback message into the terminal’s memory.FormatDCS9/0Pspsv7/

DECLBAN—Load Banner MessageDECLBAN—Load Banner MessageDECLBAN loads a banner message to be displayed.FormatDCS9/0Ps3/sr7/2D . . . D. . .ST9/12Paramete

DECLFKC—Local Function Key ControlDECLFKC—Local Function Key ControlThis control function lets you select the action performed by some of the localfun

DECLFKC—Local Function Key ControlDescriptionDECLFKC can accept any number of parameter pairs. The terminal executes theparameters in the order in whi

DECLRMM—Left Right Margin ModeDECLRMM—Left Right Margin ModeThis control function defines whether or not the set left and right margins(DECSLRM) contro

DECMCM—Modem Control ModeDECMCM—Modem Control ModeEnables (set) or disables (reset) modem control.FormatCSI9/11?3/1593/693/6h6/8Enable Modem ControlCS

DECNAKB—Greek/N-A Keyboard Mapping ModeDECNAKB—Greek/N-A Keyboard Mapping ModeThis control function sets the keyboard mapping toNorth Americanand rese

DECNKM—Numeric Keypad ModeDECNKM—Numeric Keypad ModeThis control function works like the DECKPAM and DECKPNM functions.DECNKM is provided mainly for u

5–8 VT Keyboards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–1655–9 PC Keyboards . . . . . . . . . . . . .

DECNULM—Null ModeDECNULM—Null ModeDiscard NUL characters upon receipt, or pass them on to the printer.FormatCSI9/11?3/1513/103/023/2h6/8Set: discard N

DECOM—Origin ModeDECOM—Origin ModeThis control function sets the origin for the cursor. DECOM determines if thecursor position is restricted to inside

DECPAK—Program Alphanumeric KeyDECPAK—Program Alphanumeric KeyAllow users to reprogram keys to transmit user-preferred alphanumeric codes orto perform

DECPAK—Program Alphanumeric KeyDiacritical Sign Position Available ISO Character Set(s)Circumflex 5/14 ASCIIGrave 6/0 ASCIITilde 7/14 ASCIIDieresis (um

DECPCCM—Page Cursor-Coupling ModeDECPCCM—Page Cursor-Coupling ModeThis control function determines if a new page appears in the display when thecursor

DECPCTERM—Enter/Exit PCTerm or Scancode ModeDECPCTERM—Enter/Exit PCTerm or Scancode ModeDECPCTERM enables you to switch the terminal between VT mode a

DECPCTERM—Enter/Exit PCTerm or Scancode ModePs2 Character Set0 or none No Change1 PC Multilingual2 PC International3 PC Danish/Norwegian4 PC Spanish5

DECPEX—Print Extent ModeDECPEX—Print Extent ModeThis control function selects how much data you can print when you use the printpage function.Default:

DECPFK—Program Function KeyDECPFK—Program Function KeyAllows users to program keys to perform user-preferred functions.FormatDCS9/0"2/2x7/8D . .

DECPFK—Program Function KeyRefer to Chapter 8 for the key station number map.• Modn denotes the modifier key that is to be pressed at the same time as

12–8 ASCII Editing Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–2512–9 Local Edit Mode Function Keys . . . . . . . .

DECPFK—Program Function KeyAny of the following four methods may be used to define a key to transmit auser-defined sequence (either single byte or multi

DECPKA—Program Key ActionDECPKA—Program Key ActionAllow changes to programmable keys, which affects all the keys on the keyboardin all the VT modes ex

DECPKFMR—Program Key Free Memory ReportDECPKFMR—Program Key Free Memory ReportReport the free memory space for program key operations.FormatCSI9/11Ps1

DECPS—Play SoundDECPS—Play SoundControls the sound frequency or notes (one at a time).FormatCSI9/11Pvolume; Pduration;Pnote,2/12~7/14ParametersPvolume

DECRARA—Reverse Attributes in Rectangular AreaDECRARA—Reverse Attributes in Rectangular AreaThis control function lets you reverse the visual characte

DECRARA—Reverse Attributes in Rectangular AreaExamplesThe following sequence reverses the blink and underscore attributes of thecomplete screen:CSI ;

DECRC—Restore CursorDECRC—Restore CursorRestores the terminal to the state saved by the save cursor (DECSC) function.FormatESC1/1183/8DescriptionIf no

DECRLM—Right-to-Left ModeDECRLM—Right-to-Left ModeThis control function starts/stops the right-to-left cursor direction.FormatCSI9/11?3/1533/344/4h6/8

DECRLM—Right-to-Left ModeNotes on DECRLM• The BS control character increases the current cursor position by one, thusmoving the cursor on the screen o

DECRPDE—Report Displayed ExtentDECRPDE—Report Displayed ExtentThe terminal sends this control function in response to a request displayed extent(DECRQ

Part IVT520 Video TerminalThis part includes the following chapters:• Chapter 1, Overview• Chapter 2, Set-Up• Chapter 3, Desktop Features

DECRPFK - Report Function Key DefinitionDECRPFK - Report Function Key DefinitionThe terminal reports a function key’s definition when it receives a DECRQ

DECRPL—Review Previous Lines ModeDECRPL—Review Previous Lines ModeAllows user to view lines previously scrolled off the top of the page.Default: Revie

DECRPM—Report Mode - Terminal To HostDECRPM—Report Mode - Terminal To HostReports the terminal mode in response to a request mode (DECRQM) function. I

DECRPM—Report Mode - Terminal To HostExamplesThe following sequence reports the setting of a DEC private mode:VT520 Report MeaningCSI ? 57; h (Greek)

DECRPM—Report Mode - Terminal To HostDescriptionDECRQM, DECRPM, SM, and RM support all the mode settings as follows:Table 5–3 Settings Supported by DE

DECRPM—Report Mode - Terminal To HostTable 5–3 (Cont.) Settings Supported by DECRQM, DECRPM, RM, and SMANSI-Specified Mode DEC-Private ModePa Mnemonic

DECRPSS—Report Selection or SettingDECRPSS—Report Selection or SettingThe terminal sends the host this sequence in response to a request selection ors

DECRPSS—Report Selection or SettingThe host requests the setting of a function that the terminal does not recognize.The terminal responds with the fol

DECRPSS—Report Selection or SettingSetting Mnemonic Final Character(s)Set Top and Bottom Margins DECSTBM rSet Transmit Rate Limit DECSTRL " uSet

DECRQCRA—Request Checksum of Rectangular AreaDECRQCRA—Request Checksum of Rectangular AreaThis control function requests a checksum of the specified re

DECRQKD—Request Key DefinitionDECRQKD—Request Key DefinitionDECRQKD allows you to inquire about the terminal’s definition of:• A function key or a functi

DECRQKT—Request Key TypeDECRQKT—Request Key TypeThe host issues a DECRQKT to the terminal for the key definition of a functionor alphanumeric key. Upon

DECRQM—Request Mode - Host To TerminalDECRQM—Request Mode - Host To TerminalThe host sends this control function to find out if a particular mode is se

DECRQM—Request Mode - Host To TerminalNotes on DECRQM• The terminal does not respond to a DECRQM sequence when in VT52 mode.• A DECRQM sequence can on

DECRQM—Request Mode - Host To TerminalTable 5–5 DEC Private Modes for DECRQM, DECRPM, SM, and RMMode Mnemonic PdCursor keys DECCKM 1ANSI DECANM 2Colum

DECRQPKFM—Request Program Key Free MemoryDECRQPKFM—Request Program Key Free MemoryInquire as to the amount of free memory for programmable key operati

DECRQSS—Request Selection or SettingDECRQSS—Request Selection or SettingThe host requests the terminal setting. See DECRPSS for the terminal’sresponse

DECRQSS—Request Selection or SettingSetting Mnemonic Final CharactersSet Cursor Style DECSCUSR SP qSet Graphic Rendition SGR mSet Key Click Volume DEC

DECCTR—Color Table RequestDECCTR—Color Table RequestThe host requests a color table report from the terminal. The terminal respondswith a DECTSR contr

DECRQUPSS—Request User-Preferred Supplemental SetDECRQUPSS—Request User-Preferred Supplemental SetApplications can ask for the current user-preferred

1Overview1.1 IntroductionThe VT520 is a low-cost, multi-session, text video terminal featuring enhancedkeyboard and communications flexibility, providi

DECRSPS—Restore Presentation StateDECRSPS—Restore Presentation StateThis control function restores the terminal to a previous state based on one of th

DECRSTS—Restore Terminal StateDECRSTS—Restore Terminal StateThis sequence restores the terminal to a previous state specified in a terminalstate report

DECRSTS—Restore Terminal Color Table StateDECRSTS—Restore Terminal Color Table StateA host request to restore a color table.FormatDCS9/023/2$2/4p7/0D

DECSACE—Select Attribute Change ExtentDECSACE—Select Attribute Change ExtentSelects which character positions within a rectangle are affected by an at

DECSASD—Select Active Status DisplayDECSASD—Select Active Status DisplayDECSASD selects whether the terminal sends data to the main display or thestat

DECSCA—Select Character Protection AttributeDECSCA—Select Character Protection AttributeDECSCA defines the characters that come after it as erasable or

DECSCL—Select Conformance LevelDECSCL—Select Conformance LevelUsing DECSCL, you can select the terminal’s conformance level. The factorydefault for th

DECSCLM—Scrolling ModeDECSCLM—Scrolling ModeThis control function selects the way the terminal scrolls lines. You can select oneof two scroll settings

DECSCP—Select Communication PortDECSCP—Select Communication PortSelect the port to be used for printer or host connection.FormatCSI9/11Ps13/n;3/11Ps23

DECSCPP—Select Columns Per PageDECSCPP—Select Columns Per PageThere are two control functions that can set the page width to 80 or 132 columns,DECSCPP

Overview1.3 Keyboard Features1.3 Keyboard FeaturesThe VT520 offers a choice of two keyboard layouts—a VT keyboard layout (LK411)or an enhanced PC keyb

DECSCS—Select Communication SpeedDECSCS—Select Communication SpeedSelect a communication speed for a communication line.FormatCSI9/11Ps13/n;3/11Ps23/n

DECSCUSR—Set Cursor StyleDECSCUSR—Set Cursor StyleSelect the style of the cursor on the screen.FormatCSI9/11Ps3/nSP2/0q7/1ParametersPsindicates the st

DECSDDT—Select Disconnect Delay TimeDECSDDT—Select Disconnect Delay TimeSelect an appropriate disconnect delay time.FormatCSI9/11Ps3/n$2/4q7/1Paramete

DECSDPT—Select Digital Printed Data TypeDECSDPT—Select Digital Printed Data TypeAllow users to match the characters printed to the character sets the

DECSEST—Energy Saver TimingDECSEST—Energy Saver TimingSelects the energy saver timing.Default: 15 minutesFormatCSI9/11Ps-2/13r7/2ParametersPsEnergy Sa

DECSEL—Selective Erase in LineDECSEL—Selective Erase in LineThis control function erases some or all of the erasable characters in a single lineof tex

DECSERA—Selective Erase Rectangular AreaDECSERA—Selective Erase Rectangular AreaThis control function erases all erasable characters from a specified r

DECSFC—Select Flow ControlDECSFC—Select Flow ControlSelect a flow control scheme for the communication port or printer port.FormatCSI9/11Ps13/n;3/11Ps2

DECSFC—Select Flow ControlPs4sets the flow control threshold.Ps4 Flow Control Threshold1, 0 or none Low (64)2 High (768)The terminal uses "low&quo

DECSKCV—Set Key Click VolumeDECSKCV—Set Key Click VolumeSet the keyclick volume.FormatCSI9/11Ps3/nSP2/0r7/2ParametersPsindicates the selection of the

Overview1.3 Keyboard FeaturesThe keyboard has the following features:• An IBM PS/2-compatible 6-pin mini DIN connector.• Keyboard keys that can be rep

DECSLPP—Set Lines Per PageDECSLPP—Set Lines Per PageThis control function sets the number of lines for each page in page memory.Default: One session—6

DECSLRM—Set Left and Right MarginsDECSLRM—Set Left and Right MarginsThis control function sets the left and right margins to define the scrolling regio

DECSMBV—Set Margin Bell VolumeDECSMBV—Set Margin Bell VolumeSet the margin bell volume.FormatCSI9/11PsPsSP2/0u7/5ParametersPsindicates the selection o

DECSMKR—Select Modifier Key ReportingDECSMKR—Select Modifier Key ReportingProgram the modifier keys to send extended keyboard reports when pressed orrele

DECSNLS—Set Number of Lines Per ScreenDECSNLS—Set Number of Lines Per ScreenSet the maximum lines that can be displayed on the screen.FormatCSI9/11Pn.

DECSNLS—Set Number of Lines Per ScreenExamplesThe current combination is 26 lines/72 Hz/Overscan. If you attempt to assign 42lines per screen, then th

DECSPP—Set Port ParametersDECSPP—Set Port ParametersConfigures communication parameters for either a communication port or aprinter port.FormatCSI9/11P

DECSPPCS—Select ProPrinter Character SetDECSPPCS—Select ProPrinter Character SetAllow users to match the characters printed to the character sets the

DECSPRTT—Select Printer TypeDECSPRTT—Select Printer TypeAllow users to select a printer type that matches their environment.FormatCSI9/11Ps3/n$2/4s7/3

DECSR—Secure ResetDECSR Actions• Clears user-defined keys.• Clears soft character sets.• Clears the screen and all off-screen page memory.• Returns the

PrefaceIntroductionThis manual provides detailed information for advanced users, consultants, andprogrammers. This manual has the following parts, cha

Overview1.6 Enhanced Set-Up1.6 Enhanced Set-UpThe terminal provides an enhanced menu-based Set-Up, allowing commonfeatures to be accessed easily from

DECSRC—Secure Reset ConfirmationDECSRC—Secure Reset ConfirmationThe terminal returns this report to the host if the Pr parameter was included inthe last

DECSSDT—Select Status Display (Line) TypeDECSSDT—Select Status Display (Line) TypeThis control function lets the host select the type of status line d

DECSSDT—Select Status Display (Line) TypeControl Function ActionInsert/replace mode(IRM)Affects the main display and the status line.Hard terminal res

DECST8C—Set Tab at Every 8 ColumnsDECST8C—Set Tab at Every 8 ColumnsSet a tab stop at every eight columns starting with column 9.FormatCSI9/11?3/1553/

DECSTR—Soft Terminal ResetDECSTR—Soft Terminal ResetPerform a soft reset to the default values listed in Table 5–6.FormatCSI9/11!2/1p7/0DescriptionTab

DECSTGLT—Select Color Look-Up TableDECSTGLT—Select Color Look-Up TableSelects the color mode or mapping.Default: ANSI SGR colorFormatCSI9/11Ps)2/9{7/1

DECSTRL—Set Transmit Rate LimitDECSTRL—Set Transmit Rate LimitLimit the rate of character transmission according to the selected rate.FormatCSI9/11Ps1

DECSTUI—Setting Terminal Unit IDDECSTUI—Setting Terminal Unit IDDECSTUI writes the terminal unit ID into the terminal’s NVR. The host can readthe ID w

DECSWBV—Set Warning Bell VolumeDECSWBV—Set Warning Bell VolumeSet the warning bell volume.FormatCSI9/11PsPsSP2/0t7/4ParametersPsindicates the selectio

DECSZS—Select Zero SymbolDECSZS—Select Zero SymbolSelects the style of the zero displayed in text.Default: 0FormatCSI9/11Ps,2/12{7/11ParametersPsZero

Overview1.9 Ergonomics (Human Factors) FeaturesTable 1–1 VT520/25 Font Sizes80 Columns 132 Columns Maximum Number of Lines10 16 6 16 26 lines + keyboa

DECSWT—Set Window TitleDECSWT—Set Window TitleSpecifies a descriptive name, up to 30 characters, for this session.FormatOSC9/1323/2D...DST9/12Where D..

DECTABSR—Tab Stop ReportDECTABSR—Tab Stop ReportThe terminal sends this sequence to the host in response to a requestpresentation state report (DECRQP

DECTID—Select Terminal IDDECTID—Select Terminal IDSelect a terminal ID.FormatCSI9/11Ps3n,2/12q7/1ParametersPsdenotes the ID type.Ps ID Type0 VT1001 VT

DECTME—Terminal Mode EmulationDECTME—Terminal Mode EmulationSelect a terminal emulation mode.FormatCSI9/11Ps3/nSP2/0~7/17ParametersPsThe Ps parameter

DECTME—Terminal Mode EmulationNotes on DECTME• Printer operations are not affected or halted by a change in mode.• A soft reset is always performed as

DECTSR—Terminal State Report (Color Table Report)DECTSR—Terminal State Report (Color Table Report)A response to a host request (DECRQTSR) for a color

DECTST—Invoke Confidence TestDECTST—Invoke Confidence TestSelect tests to be performed.FormatCSI9/1143/4;3/11Ps3/n. . .. . .;3/11Ps3/ny7/9ParametersPsis

DECUDK—User Defined KeysDECUDK—User Defined KeysDECUDK downloads definitions for user-defined keys.FormatDCS9/0DeviceControlStringIntroducerPs1 ; Ps2 ; Ps

DECUDK—User Defined KeysPs2 Action0 or none Lock the keys. If you want to load new values into the keys, thenyou must unlock the keys by using Set-Up.1

DECUDK—User Defined KeysDescriptionTable 5–8 VT KeyboardsPm = 1 Pm = none, 0, or 2Kyn Key Key11F1 Shift/F112F2 Shift/F213F3 Shift/F314F4 Shift/F415F5 S

Overview1.11 Comparison with previous VT Terminals1.11 Comparison with previous VT TerminalsThe VT520 is functionally compatible with other ANSI produ

DECUDK—User Defined KeysTable 5–9 PC KeyboardsPm ValueKyn 1 None, 0, or 2 3 411F1 Shift/F1 Alt/F1 Alt/Shift/F112F2 Shift/F2 Alt/F2 Alt/Shift/F213F3 Shi

DECUDK—User Defined KeysTable 5–10 VT and PC Keyboard Function Keys ComparedKeyboardKyn VT PC11F1 F112F2 F213F3 F314F4 F415F5 F517F6 F618F7 F719F8 F820

DECUDK—User Defined KeysGeneral Guidelines When Loading UDKs• Clear UDK memory space before loading new definitions.Use a DECUDK string to clear keys wi

DECUS—Update SessionDECUS—Update SessionControls how display memory is updated for this session when it is not active.Default: Update when availableFo

DECVCCM—Vertical Cursor-Coupling ModeDECVCCM—Vertical Cursor-Coupling ModeThis control function determines whether the user window pans with the curso

DECXRLM—Transmit Rate LimitingDECXRLM—Transmit Rate LimitingApplications can control the transmit rate limiting feature through theDECXRLM control fun

DECXRLM—Transmit Rate LimitingUsing C1 Control CharactersUsing an 8-bit setting for the printer port implies the use of 8-bit C1 controlcharacters. Us

DSR—Device Status ReportsDSR—Device Status ReportsThe host computer and terminal exchange DSR sequences to provide the hostwith the operating status o

DSR—Data Integrity ReportDSR—Data Integrity ReportThe host asks for the status of the data integrity flag. The data integrity flagindicates the integrit

DSR—Keyboard ReportDSR—Keyboard ReportThe host asks for the current keyboard language, operating status, and type.FormatExchange Sequence MeaningReque

2Set-UpThis chapter describes VT520 Set-Up features. Set-Up is used to examine orchange terminal operating features, such as transmit/receive speeds,

DSR—Keyboard ReportPstindicates the keyboard status.Pst Keyboard Status‡0 Keyboard Ready The terminal sends typed characters to the currentsession.3 N

DSR—Memory Checksum Report (DECCKSR)DSR—Memory Checksum Report (DECCKSR)The host asks for a memory checksum report of current text macro definitions.Pr

DSR—Printer Port ReportDSR—Printer Port ReportThe host asks for the status of the terminal’s printer.NoteHost software should check the printer status

DSR—User-Defined Keys Report (VT Level 4 or higher)DSR—User-Defined Keys Report (VT Level 4 or higher)The host asks if the user-defined keys (UDKs) are l

ED—Erase in DisplayED—Erase in DisplayThis control function erases characters from part or all of the display. When youerase complete lines, they beco

HPA—Horizontal Position AbsoluteHPA—Horizontal Position AbsoluteMove the active position to the n-th horizontal position of the active line.FormatCSI9

HT—Horizontal TabHT—Horizontal TabHT moves the active position forward in the display to the next horizontal tabstop in the active line.FormatHT0/9Des

HVP—Horizontal and Vertical PositionHVP—Horizontal and Vertical PositionThis control function works the same as the cursor position (CUP) function. Ne

IL—Insert LineIL—Insert LineThis control function inserts one or more blank lines, starting at the cursor.FormatCSI9/11Pn3/nL4/12ParametersPnis the nu

IRM—Insert/Replace ModeIRM—Insert/Replace ModeThis control function selects how the terminal adds characters to page memory.The terminal always adds n

Set-Up2.1 Entering Set-Up2.1.1 Effects of Entering Set-UpPlacing the terminal in Set-Up mode causes no loss of data if a Flow Controlprotocol is in us

LNM—Line Feed/New Line ModeLNM—Line Feed/New Line ModeThis control function selects the characters sent to the host when you press theReturnkey. LNM a

LS—Locking ShiftLS—Locking ShiftWhen you use a locking shift, the character set remains in GL or GR until youuse another locking shift. Table 5–12 lis

MC—Media CopyMC—Media CopyMC is the control sequence that enables the terminal to control all printfunctions.FormatCSI9/11Pn3/ni6/9ANSI standard.CSI9/

MC—Media CopyPn Action Notes on Printer Controller Mode5 Turns on printercontroller mode.6 Start a printer-to-hostsession.7 Stop a printer-to-hostsess

MC—Media CopyPn Action Notes on Print All Pages11 Prints all pages inpage memory.• If the current page format is 3 pages of 24 lineseach, the printer

NEL—Next LineNEL—Next LineMoves cursor to first position on next line. If cursor is at bottom margin, thenscreen performs a scroll-up.FormatESC033E105N

PP—Preceding PagePP—Preceding PageThis control function moves the cursor backward to the home position on one ofthe preceding pages in page memory. If

PPB—Page Position BackwardPPB—Page Position BackwardThis control function moves the cursor backward to the corresponding row andcolumn on one of the p

RIS—Reset to Initial StateRIS—Reset to Initial StateThis control function causes a nonvolatile memory (NVR) recall to occur. RISreplaces all set-up fe

RM—Reset ModeRM—Reset ModeThere are two versions of this control function. You use the ANSI version to resetone or more ANSI modes. You use the DEC pr

Set-Up2.1 Entering Set-Up2.1.4 Self-test Error MessagesAt power-up, the VT520 terminal executes a series of self-tests, displays amessage indicating w

S7C1T—Send C1 Control Character to the HostS7C1T—Send C1 Control Character to the HostThe VT520 can send C1 control characters to the host as single 8

SCS—Select Character SetSCS—Select Character SetDesignate character sets to G-sets.To understand how to select character sets, you must first understan

Designating Character Sets (SCS Sequences)Table 5–13 Designating a Character SetI1Character Code Set Selection94-Character Sets( left parenthesis 2/8

Designating Character Sets (SCS Sequences)Table 5–14 (Cont.) Character Set CodesCharacter Set I2...InF Characters CodeItalian NRCS Y 5/9Swiss NRCS = 3

SD—Pan UpSD—Pan UpThis control function moves the user window up a specified number of lines inpage memory.FormatCSI9/11Pn3/nT5/4ParametersPnis the num

SGR—Select Graphic RenditionSGR—Select Graphic RenditionThis control function selects one or more character attributes at the same time.Default: Clear

SGR—Select Graphic RenditionTable 5–15 (Cont.) Visual Character Attribute ValuesPsAttribute (VT Level 5, VT525only)1Default Color30 Foreground Color 0

SGR—Select Graphic RenditionWhen a PC character set is selected:Command (Hexadecimal) Display CharacterExecuting "CSI 10 m" 00-1F: control c

SGR—Select Graphic RenditionWhen "ESC 11 m" is executed, the display character set is loaded with codes inthe Hex 00 to 7F region of a PC ch

SS—Single ShiftsSS—Single ShiftsYou use a single shift when you want to display the next character from adifferent character set. A single shift maps

Set-Up2.1 Entering Set-UpTable 2–2 Context Sensitive Set-Up FeaturesMenu Item Dimmed when . . .Session Pages per session Pagememory allocationPage sel

SM—Set ModeSM—Set ModeThis control function has two versions. You use the ANSI version to set one ormore ANSI modes. You use the DEC private version t

SU—Pan DownSU—Pan DownThis control function moves the user window down a specified number of lines inpage memory.FormatCSI9/11Pn3/nS5/3ParametersPnis t

VPA—Vertical Line Position AbsoluteVPA—Vertical Line Position AbsoluteMove to the corresponding vertical position (line Pn) of the current column.The

6SCO Console EmulationThis chapter describes the SCO Console mode.6.1 SCO Console Emulation ModeSCO Console mode is a terminal emulation mode. It uses

SCO Console Emulation6.1 SCO Console Emulation Mode6.1.1 KeyboardSCO Console mode works with either a PC keyboard or a VT keyboard attached.6.1.1.1 Lo

SCO Console Emulation6.1 SCO Console Emulation ModeTable 6–3 SCO Console Mode Function Key Default CodesKey UnmodifiedShift Ctrl Ctrl/ShiftF1ESC[M ESC[

SCO Console Emulation6.1 SCO Console Emulation ModeTable 6–4 (Cont.) SCO Console Mode Main Keypad Default CodesKey UnmodifiedShift Ctrl Ctrl/Shifttt T

SCO Console Emulation6.1 SCO Console Emulation ModeTable 6–5 SCO Console Mode Numeric Keypad Default Codes, Num Lock OffKeypad Key UnmodifiedShift Ctrl

SCO Console Emulation6.1 SCO Console Emulation ModeNotePressingAlt/.on the numeric keypad sends DEL, not a period.Table 6–7 SCO Console Mode Editing K

6.2 VT520 SCO Console Control Sequences6.2 VT520 SCO Console Control SequencesSCODFK—Define Function KeyPrograms function key to send a defined string i

Set-Up2.1 Entering Set-Up2.1.6 Set-Up Summary LineThe Set-Up Summary Line (Figure 2–3) shows the important set-up features thataffect whether the term

SCODFK—Define Function KeyDescriptionThe first character after the ASCII character representing a function key becomesthe delimiter. It looks for an ide

SCORC—Restore Saved Cursor PositionSCORC—Restore Saved Cursor PositionMoves cursor to the position saved by save cursor command in SCO console mode.Fo

7Character SetsThis chapter describes the character sets supported by the VT520 video terminal.7.1 OverviewThe VT520 video terminal supports most char

Character Sets7.2 Character Sets SupportedWhen 7-bit NRCS Characters is selected, a corresponding 7-bit or NRC set isused depending on the keyboard la

Character Sets7.2 Character Sets Supported7.2.3 Control Character SetsThe following control character sets are defined in the terminal. ASCII C0 andC1

Character Sets7.3 VT Mode7.3 VT ModeAll DEC character sets are supported in VT500 mode with either a VT keyboardor an attached Enhanced PC keyboard.In

Character Sets7.4 PCTerm Mode7.4.2 Character Set MappingsIf DEC character sets are in use, all the character set mappings follow the VTmode convention

Character Sets7.6 Soft Character SetsThe soft character set is also known as a dynamically redefinable character set(DRCS). The terminal stores the sof

Character Sets7.6 Soft Character SetsTable 7–1 shows the default character cell widths and heights based on thenumber of lines and columns on the scre

Set-Up2.1 Entering Set-Up• Incompatible settings not restored - check comm port selection• Page memory reallocated• Sessions not enabled - No Session

Character Sets7.6 Soft Character SetsFigure 7–2 Character Body Sizes for 24-Line by 80- and 132-Column FontsGSF_0599_89_R.DGSpacing2CharacterBody Widt

Character Sets7.6 Soft Character SetsTable 7–2 (Cont.) Guidelines for Designing Soft CharactersCharacter Dimension 80-Column Font 132-Column Font36 Li

Character Sets7.6 Soft Character SetsUse the format shown in Figure 7–3. Each 6-bit pattern represents 6 pixels,or a sixel. The least significant bit i

Character Sets7.6 Soft Character Sets4. Use Table 7–3 to convert each binary number to the equivalent ASCIIcharacter.Table 7–3 lists the results of st

Character Sets7.6 Soft Character SetsTable 7–3 (Cont.) Converting Binary Code to an ASCII CharacterBinary Value Hex. ValueHex. Value + 3FOffsetCharact

Character Sets7.6 Soft Character SetsFigure 7–4 Sixel-to-ASCII Conversion000000?(3/15){(7/11)111100 000100C(4/3)001000G(7/4)010000O(4/15)100000_(5/15)

Character Sets7.6 Soft Character SetsYou can adjust the screen size by using the select number of lines/screen(DECSNLS) control function. The terminal

Character Sets7.6 Soft Character SetsA soft set that replaces a hard set remains in effect until you perform one ofthe following actions:– Clear the s

Character Sets7.6 Soft Character Sets{ (7/11)indicates the end of the parameter characters and specifies that this sequenceis a DECDLD string.sp @define

8Keyboard ProcessingThis chapter describes the physical keyboards and keyboard-to-host interfacesupported by the VT520 video terminal.8.1 Overview—Key

Set-Up2.1 Entering Set-Up• Visible bell—This feature flashes a bell ringing font whenever a sound isgenerated.• When the Num Lock state is active on an

Keyboard Processing8.2 DEC VT Layout8.2 DEC VT LayoutWhen a DEC VT Layout keyboard is used, only characters from the currentlyselected keyboard charac

Keyboard Processing8.4 Enhanced PC Layout - PCTerm Mode8.4 Enhanced PC Layout - PCTerm ModeIn PCTerm mode, each press or release keystroke causes a un

Keyboard Processing8.5 Enhanced PC Layout - VT Mode8.5.2 IBM PC StyleIn this style (the default style), the keys are mapped to behave as they would on

Keyboard Processing8.6 Main Key ArrayTable 8–2 VT Style Layout vs. Enhanced PC Style Layout Modifier KeysVT Style Keyboard PC Style KeyboardLeftShiftLe

Keyboard Processing8.6 Main Key Array• On the United States Enhanced PC layout, the leftAltacts the same asAlt Grwhen pressed and held in combination

Keyboard Processing8.8 Editing Keypad KeysFigure 8–3 Editing Keypad Legends on DEC and PC LayoutsDEC VT LayoutEnhanced PC LayoutFindInsert HereSelect

Keyboard Processing8.10 Numeric Keypad KeysIn VT Style, with Application Mode enabled, the numeric keypad keys send thesame sequences as the correspon

Keyboard Processing8.10 Numeric Keypad KeysTable 8–5 lists the numeric keypad sequences in PC Style Numeric mode.Table 8–5 PC Layout Numeric Keypad Se

Keyboard Processing8.11 Local Function Key DefaultsTable 8–6 (Cont.) Local FunctionsFunctionNumber FunctionVTKeyboardSCOConsolePC KeyboardVT-StylePCKe

Keyboard Processing8.11 Local Function Key DefaultsTable 8–6 (Cont.) Local FunctionsFunctionNumber FunctionVTKeyboardSCOConsolePC KeyboardVT-StylePCKe

ConventionsThe following conventions are used in this manual:Set-Up features Terminal Set-Up menu selections appear in boldface type.Alt/Ctrl/Print Sc

Set-Up2.3 Main Menu2.3 Main MenuThe following descriptions refer to Figure 2–4.The items above the dividing line in the main menu form a directory to

Keyboard Processing8.11 Local Function Key DefaultsTable 8–6 (Cont.) Local FunctionsFunctionNumber FunctionVTKeyboardSCOConsolePC KeyboardVT-StylePCKe

Keyboard Processing8.11 Local Function Key DefaultsTable 8–6 (Cont.) Local FunctionsFunctionNumber FunctionVTKeyboardSCOConsolePC KeyboardVT-StylePCKe

Keyboard Processing8.11 Local Function Key DefaultsTable 8–6 (Cont.) Local FunctionsFunctionNumber FunctionVTKeyboardSCOConsolePC KeyboardVT-StylePCKe

Keyboard Processing8.11 Local Function Key Defaults8.11.2 Accessibility AidsAccessibility aids allow the user with limited motor skills to use modifier

Keyboard Processing8.12 Controlling Keyboard LEDs8.12 Controlling Keyboard LEDsThe following sequences allow the host to control keyboard modifier stat

Keyboard Processing8.13 Keyboard Languages8.13 Keyboard LanguagesTable 8–7 VT Keyboard LanguagesAustrian/German Greek RussianBelgian/French Hebrew SCS

Keyboard Processing8.14 Switching Between Keyboard Languages8.14 Switching Between Keyboard LanguagesThe VT520 allows the user to easily switch betwee

Keyboard Processing8.14 Switching Between Keyboard LanguagesIf 7-bit NRCS characters is selected, then the following corresponding NRC setsare used.Ta

Keyboard Processing8.14 Switching Between Keyboard Languages8.14.1 Keystroke ProcessingAny time the terminal is operating, a keyboard encoding is bein

Keyboard Processing8.14 Switching Between Keyboard Languagescharacter in the keyboard character set, and the corresponding character code istransmitte

Set-Up2.3 Main Menu2.3.2 Save SettingsThe Save settings menu item, when invoked by pressingReturnorEnter,causes the settings for most Set-Up controlle

Keyboard Processing8.15 Keystation NumbersFigure 8–5shows a typical legend for a North American VT keyboard.Figure 8–5 VT Layout - Typical North Ameri

Keyboard Processing8.16 Scan Codes Sent in PCTerm Mode for EPC Keyboards8.16 Scan Codes Sent in PCTerm Mode for EPC KeyboardsThe following keys send t

Keyboard Processing8.16 Scan Codes Sent in PCTerm Mode for EPC KeyboardsKey#Legend(U.S.)Scan CodeMake/Break135G22/A236H23/A337J24/A438K25/A539L26/A640

Keyboard Processing8.16 Scan Codes Sent in PCTerm Mode for EPC KeyboardsKey#Legend(U.S.)Scan CodeMake/Break1100 Keypad*37/B7101949/C910264D/CD103351/D

Keyboard Processing8.16 Scan Codes Sent in PCTerm Mode for EPC KeyboardsKey #Legend(U.S.)Base CaseMake/Break Shift Case Make/Break Num Lock ON Make/Br

Keyboard Processing8.17 Scan Codes Sent in PCTerm Mode for VT Keyboards8.17 Scan Codes Sent in PCTerm Mode for VT KeyboardsAll keystrokes send scan co

Keyboard Processing8.18 Control Codes and Keystrokes8.18 Control Codes and KeystrokesThe following codes are transmitted when theCtrlkey is depressed

Keyboard Processing8.18 Control Codes and KeystrokesTable 8–12 (Cont.) Control Codes and KeystrokesLegend HEX Code Transmitted NameCtrl 61E RSCtrl ~1E

9CommunicationsThis chapter describes the serial asynchronous communications through the hostports.9.1 Introduction to CommunicationsThis chapter desc

Set-Up2.4 Actions Menu• Resets XOFF received flags on both ports• Does not clear the screen• Clears KAM locked condition• Clears the "printer port

Communications9.2 Physical Link Layer9.2 Physical Link LayerCommunications lines may be connected to the comm ports without interactionbetween the two

Communications9.2 Physical Link LayerTable 9–1 (Cont.) EIA Interface Signals and FunctionsPin Signal Name Source Function CCITT/EIA/DIN12 SPDI Modem S

Communications9.2 Physical Link Layer9.2.3.1 Transmitted Data–TXD LThe TXD L signal is supported on the 25-pin D-sub and the Corporate ModularConnecto

Communications9.2 Physical Link Layer9.2.3.5 Data Terminal Ready–DTRThe DTR signal is supported on the 25-pin D-sub as well as the CorporateModular Co

Communications9.2 Physical Link Layer220 msA BDTRDSRTerminal Initiated DisconnectIf DSR is de-asserted 220 ms after DTR goes de-asserted, then do noth

Communications9.2 Physical Link Layer9.2.3.9 Speed Select–SPDSThe SPDS signal is supported on the 25-pin D-sub but not on the CorporateModular Connect

Communications9.2 Physical Link Layer9.2.5.3 European Public Circuit Switched Data NetworkD1200S (Germany)VC-DCE (Nordic Network)VPC-DCE (Nordic Netwo

Communications9.3 Data Link Layer9.3 Data Link LayerThis section describes the data link layer.9.3.1 7- /8-Bit VT100/VT520 OperationThe VT520 supports

Communications9.3 Data Link Layer• If the user needs to restrict the controls to 7 bits, but still needs 8-bit graphiccharacters and new function keys

Communications9.3 Data Link Layer• BothYou can select flow control methods from Set-Up or through the escape sequences,DECSFC.9.3.2.2.1 No Flow Control

Set-Up2.4 Actions Menu2.4.5 Clock, Calculator, Show Character SetsThe Clock, Calculator, and Show character sets menu items are used toinvoke the corr

Communications9.3 Data Link LayerThe VT520 re-initializes the XON/XOFF(XPC) state under the followingconditions:1. The Clear Comm function is performe

Communications9.3 Data Link LayerTable 9–3 Flow Control Threshold Points1st Flow Control Threshold Resume Transmission Point2nd Flow ControlThreshold6

Communications9.4 Features that Affect Communications9.4.1 Clear CommunicationsIf the terminal appears to be "locked" in Set-Up, then select

Communications9.4 Features that Affect Communications• With the 25-pin connector and modem control enabled, after a connection hasbeen established, lo

10Printer Port10.1 OverviewThe VT520 expands the traditional printer port extension to include support forIBM ProPrinter and compatible low-cost paral

Printer Port10.2 Serial PortDTR/DSR: If enabled, the terminal polls DSR before transmitting each character.The terminal asserts DTR until the buffer fi

Printer Port10.3 Parallel PortTable 10–1 (Cont.) Parallel Connector SignalsPin Signal Name Source Function15 ERROR L Printer Paper end, printer off-li

Printer Port10.4 Print Modes10.4.1 Printer Controller ModeWhen printer controller mode is enabled, all data received at the host port ispassed through

Printer Port10.6 Transmitting Print Data10.6.2 IBM ProPrinter or Compatible PrinterWhen an IBM ProPrinter is attached, the terminal sends IBM ProPrint

Set-Up2.5 Multiple Sessions2.5.1 Enabling and Controlling the Session ConfigurationThe VT520 provides three serial communication ports which may be ass

Printer Port10.6 Transmitting Print DataEach time a print operation is requested, the VT520 sends the following escapesequences:Escape Sequence Meanin

Printer Port10.6 Transmitting Print Data10.6.3.1 Data TransmissionThe printer is a DEC ANSI printer with IBM ProPrinter emulation. The printeris in it

Part IIIVT520 ASCII EmulationThis part contains the following chapters:• Chapter 11, ASCII Emulations and Control Functions• Chapter 12, ASCII Escape

11ASCII Emulations and Control FunctionsThis chapter describes the ASCII emulations and control functions.11.1 OverviewThe VT520 video terminal includ

ASCII Emulations and Control Functions11.2 ASCII EmulationsThe VT520 does not emulate the graphics modes of the WYSE 160, such as theTEK 4010/4014 per

ASCII Emulations and Control Functions11.3 Coding NotationTable 11–1 (Cont.) Symbols Used in ASCII Terminal Escape SequencesSymbol Code Symbol CodeNUL

ASCII Emulations and Control Functions11.3 Coding NotationProtect Mode On: The protect condition usually is valid for the current pageonly. The except

ASCII Emulations and Control Functions11.3 Coding NotationTable 11–3 Commands that Can Move the Cursor to Protected AreaMove Cursor . . . SequenceUp;

Set-Up2.5 Multiple Sessions2.5.5 Restoring an Interrupted SessionWhen a session is interrupted, the VT520 or the host system may lose the contextof th

12ASCII Escape SequencesThis chapter summarizes the ASCII escape and control Sequences that the VT520recognizes when it is operating in its ASCII emul

ASCII Escape Sequences12.1 ASCII CommunicationsTable 12–1 (Cont.) Serial Port Control FunctionsReceive NullWYSE TVI ADDSCharacter Mode 325/160/60 PCTe

ASCII Escape Sequences12.1 ASCII CommunicationsTable 12–1 (Cont.) Serial Port Control FunctionsWYSE TVI ADDSSerial Port Handshaking 325/160/60 PCTerm

ASCII Escape Sequences12.2 Terminal Management12.2 Terminal ManagementTable 12–2 lists the terminal management control functions. The word ‘‘same’’in

ASCII Escape Sequences12.2 Terminal ManagementTable 12–2 (Cont.) Terminal Management Control FunctionsWYSE TVI ADDSSelect Terminal Defaults 325/160/60

ASCII Escape Sequences12.3 Keyboard ProcessingTable 12–3 (Cont.) Keyboard Processing Control FunctionsWYSE TVI ADDSCaps Lock 325/160/60 PCTerm 150/120

ASCII Escape Sequences12.3 Keyboard ProcessingTable 12–3 (Cont.) Keyboard Processing Control FunctionsWYSE TVI ADDSMargin Bell 325/160/60 PCTerm 150/1

ASCII Escape Sequences12.3 Keyboard ProcessingTable 12–3 (Cont.) Keyboard Processing Control FunctionsWYSE TVI ADDSProgram Key Direction 325/160/60 PC

ASCII Escape Sequences12.3 Keyboard ProcessingTable 12–4 lists the redefinable keys.Table 12–4 Redefinable KeysEmulation Redefinable KeysWYSE 325/160/60,

Set-Up2.6 Session Menu2.6.1 Select SessionThe Select session submenu is used to select the active session. All Set-Up selections apply to the currentl

ASCII Escape Sequences12.3 Keyboard ProcessingTable 12–4 (Cont.) Redefinable KeysEmulation Redefinable KeysTVI 950 Fkey Fkey VT Keyboard Enhanced PC Key

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsWYSE TVI ADDSScroll Type 325/160/60 PCTerm 150/120 5

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsFill Page with "H"sWYSE TVI ADDSin PCTerm

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsWYSE TVI ADDSSplit Screen 325/160/60 PCTerm 150/120

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsStatus Line DisplayBLK Block modeHBLK Half-duplex bl

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsWYSE TVI ADDSLabel Line Display 325/160/60 PCTerm 15

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsWYSE TVI ADDSColor 325 160/60 PCTerm 150/120 50+/50

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsUser Label Line DisplayWYSE TVI ADDSfor TVI Mode 325

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsPCTerm ModeAttributeDisplay Attributes0, @, P, `, p

ASCII Escape Sequences12.4 Screen ProcessingTable 12–5 (Cont.) Screen Processing Control FunctionsSelectingWYSE TVI ADDSDisplay Attribute Mode 325/160

Set-Up2.6 Session MenuFigure 2–6 Session Page Memory AllocationThe ‘‘ __pages’’ selections in Figure 2–6 allow you to enter a number of pagesnot shown

ASCII Escape Sequences12.4 Screen ProcessingTable 12–6 lists the data protection control functions. The word ‘‘same’’ inTable 12–6 signifies the same c

ASCII Escape Sequences12.4 Screen ProcessingTable 12–7 lists the cursor control functions. The word ‘‘same’’ in Table 12–7signifies the same control se

ASCII Escape Sequences12.4 Screen ProcessingTable 12–7 (Cont.) Cursor Control FunctionsWYSE TVI ADDSReceived CR Mode 325/160/60 PCTerm 150/120 50/50+

ASCII Escape Sequences12.4 Screen ProcessingTable 12–7 (Cont.) Cursor Control FunctionsWYSE TVI ADDSCursor Up 325/160/60 PCTerm 150/120 50/50+ 950 925

ASCII Escape Sequences12.4 Screen ProcessingTable 12–7 (Cont.) Cursor Control FunctionsWYSE TVI ADDSAddress Cursor 325/160/60 PCTerm 150/120 50/50+ 95

ASCII Escape Sequences12.4 Screen ProcessingTable 12–8 lists the ASCII editing control functions. The word ‘‘same’’ inTable 12–8, Table 12–10, and Tab

ASCII Escape Sequences12.4 Screen ProcessingTable 12–10 lists the tab stop control functions.Table 12–10 Tab Stop Control FunctionsWYSE TVI ADDSTab St

ASCII Escape Sequences12.4 Screen ProcessingTable 12–11 lists the page edit control functions.Table 12–11 Page Edit Control FunctionsWYSE TVI ADDSPage

ASCII Escape Sequences12.4 Screen ProcessingTable 12–11 (Cont.) Page Edit Control FunctionsErasing Data onWYSE TVI ADDSPage Function (cont.) 325/160/6

ASCII Escape Sequences12.4 Screen ProcessingTable 12–12 lists the rules for locating the rectangle.Table 12–12 Rules for Locating RectangleIfLinevalue

Set-Up2.6 Session MenuIn case you cause the terminal to re-assign page memory while sessions are inuse, the pages assigned to a new session is first er

ASCII Escape Sequences12.4 Screen ProcessingTable 12–13 lists the rectangle area control functions. The word ‘‘same’’ signifiesthe same control sequenc

ASCII Escape Sequences12.4 Screen ProcessingTable 12–13 (Cont.) Rectangle Area Control FunctionsSwap/Copy/Move3WYSE 325/160/60D_n1 Starting line numbe

ASCII Escape Sequences12.5 Printing/Sending Data12.5 Printing/Sending DataThis section describes commands to print and send data.12.5.1 Sending DataTh

ASCII Escape Sequences12.5 Printing/Sending DataTable 12–15 Delimiters for Other PersonalitiesDelimiter Terminal sends...End of line Either "US&q

ASCII Escape Sequences12.5 Printing/Sending DataTable 12–16 (Cont.) Print/Send Control FunctionsWYSE TVI ADDSFunction 325/160/60 PCTerm 150/120 50/50+

ASCII Escape Sequences12.5 Printing/Sending DataThe only factors that affect printing data are data and parity settings.Data/Parity Setting Characters

ASCII Escape Sequences12.5 Printing/Sending DataTable 12–17 (Cont.) Printing Data Control FunctionsPrint the PageWYSE TVI ADDSwith Time Message5325/16

ASCII Escape Sequences12.5 Printing/Sending DataMost character sets in ASCII emulation contain characters in the range of Hex00 and Hex 1F. For exampl

13Defining and Loading ASCII Character FontsThis chapter defines the ASCII character fonts and describes how to load thefonts.13.1 Character SetsIn WYSE

Set-Up2.6 Session MenuThe principle used is to restore all the settings possible, replace those individualsettings that can’t be restored with some re

Defining and Loading ASCII Character Fonts13.1 Character SetsWYSE 50+: You can only display one font bank on the screen at a time.Figure 13–1 shows the

Defining and Loading ASCII Character Fonts13.1 Character SetsNoteChanging a character set in a font bank may change the active characterset if the acti

Defining and Loading ASCII Character Fonts13.2 Loading, Defining, and Selecting Character SetsTable 13–2 (Cont.) Loading Font BankSelect Active Characte

Defining and Loading ASCII Character Fonts13.3 Designing a Character Font13.3 Designing a Character FontTable 13–3 shows how to design a character font

Defining and Loading ASCII Character Fonts13.3 Designing a Character FontLoad the the following character into position 31 (Hex) in Font Bank 3.MSB LSB

AVT Keyboard Legend DataThis appendix describes the Compose processing, non-spacing diacritical marks,and keyboard layouts for the VT keyboard layouts

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–1 Austrian/German VT KeyboardLJ-03232-TI0F1F2F3F57 8 94563210Y X C V B NA S D F G H J K LI O PT Z UW E

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–2 Belgian/French VT KeyboardF1F2F3F57 8 94563210W X C V B NQ S D F G H J K LI O PT Y UZ E RMA><F

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–3 British/U.K./North American VT KeyboardF1F2F3F57 8 94563210LJ-03228-TI01 2 3 4 5 6 7 8 9 0Z X C V B

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–4 Canadian-French VT KeyboardF1F2F3F57 8 94563210LJ-03230-TI01 2 3 4 5 6 7 8 9 0Z X C V B NA S D F G H

• Chapter 6—Keyboard Processing—Describes the keyboard layouts,keyboard-to-host interface, keypad sequences, local functions, LEDs controls,languages,

Set-Up2.7 Resetting and Restoring Defaults2.7 Resetting and Restoring Defaults2.7.1 Reset SessionThe Reset this session menu selection only resets the

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–5 Czech VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunctionSh

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–6 Danish VT KeyboardF1F2F3F57 8 945632101 2 3 4 5 6 7 8 9 0Z X C V B NA S D F G H J K LI O PT Y UW E R

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–7 Dutch VT KeyboardF1F2F3F57 8 94563210LJ-03229-TI01 2 3 4 5 6 7 8 9 0Z X C V B NA S D F G H J K LI O

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–8 Finnish VT KeyboardF1F2F3F57 8 94563210LJ-03231-TI01 2 3 4 5 6 7 8 9 0Z X C V B NA S D F G H J K LI

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–9 Flemish VT KeyboardF1F2F3F57 8 94563210LJ-03229-TI0W X C V B NQ S D F G H J K LI O PT Y UZ E RA>&

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–10 Greek VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunctionS

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–11 Hebrew VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunction

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–12 Hungarian VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunct

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–13 Italian VT KeyboardF1F2F3F57 8 94563210LJ-03326-TI0ZX C V B NA S D F G H J K LI O PT Y UWE RMQ>&

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–14 Norwegian VT KeyboardF1F2F3F57 8 94563210LJ-03327-TI0Z X C V B NA S D F G H J K LI O PT Y UW E RMQ&

Set-Up2.8 Display Menu2.8 Display MenuMany of the features in the Display menu can be controlled by the host controlfunctions listed in Table 2–3. The

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–15 Polish VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunction

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–16 Portuguese VT KeyboardF1F2F3F57 8 94563210LJ-03328-TI01 2 3 4 5 6 7 8 9 0Z X C V B NA S D F G H J K

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–17 Romanian VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFuncti

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–18 Russian VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunctio

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–19 SCS VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunctionShi

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–20 Slovak VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunction

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–21 Spanish VT KeyboardF1F2F3F57 8 94563210Z X C V B NA S D F G H J K LI O PT Y UW E RMQ><F4F6F7F

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–22 Swedish VT KeyboardLJ-03233-TI0F1F2F3F57 8 94563210Z X C V B NA S D F G H J K LI O PT Y UW E RMQ>

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–23 Swiss-French VT KeyboardF1F2F3F57 8 94563210Y X C V B NA S D F G H J K LI O PT Z UW E RMQ><F4

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–24 Swiss-German VT KeyboardLJ-03234-TI0F1F2F3F57 8 94563210Y X C V B NA S D F G H J K LI O PT Z UW E R

Set-Up2.8 Display Menu2.8.1 Lines per ScreenThis menu chooses a font that enables the selected number of lines to be viewed.Note that you cannot view

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–25 Turkish-F VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShiftAltFuncti

VT Keyboard Legend DataA.2 VT KeyboardsFigure A–26 Turkish-Q VT Keyboard34 5 67 8 9..210PF1 PF2 PF3 PF4Enter−,DoHelpF17 F19 F20F18ReturnShift1AltFunct

BEnhanced PC KeyboardsThis appendix shows the non-spacing diacritical marks and the keyboard layoutsfor VT520 Enhanced PC keyboards.B.1 Summary of Non

Enhanced PC KeyboardsB.1 Summary of Non-Spacing Diacritical MarksTable B–1 (Cont.) Enhanced PC Keyboard Non-Spacing Diacritical MarksEPC KeyboardDoubl

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–1 Austrian/German Enhanced PC KeyboardBildPos 1EinfgEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12Druck R

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–2 Belgian Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12PrintScreenSc

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–3 British/U.K. Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12PrintScr

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–4 Canadian-English/North American Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–5 Canadian-French Enhanced PC KeyboardInserEchapF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12ImprecranArret

Set-Up2.8 Display MenuWhen the Review previous lines feature is selected, the Lines per pageselections show the corresponding number of lines by only

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–6 Czech Enhanced PC Keyboard1/*−34 5 67 8 9+.DelInsert PgUpPgDn.EnterCtrlLockCapsAlt AltInsCtrl

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–7 Danish Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12PrintScreenScr

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–8 Dutch Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12PrintScreenScro

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–9 Finnish Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12PrintScreenSc

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–10 French Enhanced PC KeyboardInserEchapF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12ImprecranArretdefilSys

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–11 Greek Enhanced PC KeyboardNum Lock Caps Lock Scroll LockInsertDeleteHomeEndPageUpPageDownPri

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–12 Hebrew Enhanced PC KeyboardNum Lock Caps Lock Scroll LockInsertDeleteHomeEndPageUpPageDownPr

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–13 Hungarian Enhanced PC Keyboard1/*−34 5 67 8 9+.DelInsert PgUpPgDn.EnterCtrlLockCapsAlt AltIn

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–14 Italian Enhanced PC KeyboardEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12StampBlocScorrR Sist InterrP

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–15 Latin American Enhanced PC KeyboardRePagInicioInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12Impr

Set-Up2.8 Display Menu2.8.4 Columns per Page, Clear on ChangeThis menu allows you to select an 80- or 132-column display for text. If Clearon change i

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–16 Norwegian Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12PrintScree

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–17 Polish Enhanced PC KeyboardCtrlLockCapsAlt AltCtrlNum Lock Caps Lock Scroll LockInsertDelete

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–18 Portuguese Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12PrintScre

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–19 Romanian Enhanced PC Keyboard[]1/*−34 5 67 8 9+.DelInsert PgUpPgDn.EnterCtrlLockCapsAlt AltI

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–20 Russian Enhanced PC Keyboard1/*−34 5 67 8 9+.DelInsert PgUpPgDn.EnterCtrlLockCapsAlt AltInsC

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–21 SCS Enhanced PC Keyboard1/*−34 5 67 8 9+DelInsert PgUpPgDn.EnterCtrlLockCapsAlt AltInsCtrlNu

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–22 Slovak Enhanced PC Keyboard1/*−34 5 67 8 9+.DelInsert PgUpPgDn.EnterCtrlLockCapsAlt AltInsCt

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–23 Spanish Enhanced PC KeyboardRePagInicioInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12ImprPantBlo

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–24 Swedish Enhanced PC KeyboardPageUpHomeInsertEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12PrintScreenS

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–25 Swiss-French Enhanced PC KeyboardInserEchapF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12ImprecranArretde

Set-Up2.8 Display MenuVertical CouplingVertical coupling selects whether the user window automatically pans to followthe cursor when the cursor is mov

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–26 Swiss-German Enhanced PC KeyboardBildPos 1EinfgEscF1F2F3F4 F5 F6 F7F8 F9 F10F11 F12Druck Rol

Enhanced PC KeyboardsB.2 Enhanced PC KeyboardsFigure B–27 Turkish Enhanced PC Keyboard1/*−34 5 67 8 9+.DelInsert PgUpPgDn.EnterCtrlLockCapsAlt AltInsC

CASCII Keycodes and Local FunctionsC.1 PC KeyboardTable C–1 through Table C–11 list the keycodes sent by individual keys in each mode for the PCkeyboa

ASCII Keycodes and Local FunctionsC.1 PC KeyboardTable C–3 WYSE and TVI Modes Editing Keys for PC KeyboardKey UnmodifiedShift Ctrl Shift/CtrlInsertESC

ASCII Keycodes and Local FunctionsC.1 PC KeyboardTable C–6 WYSE 160 and TVI Modes Numeric Keys for PC Keyboard, NumLock = OnKey UnmodifiedShift Ctrl Sh

ASCII Keycodes and Local FunctionsC.1 PC KeyboardTable C–8 ADDS A2 Editing Keys on PC KeyboardKey UnmodifiedShift Ctrl Shift/CtrlInsertESC q ESC r Togg

ASCII Keycodes and Local FunctionsC.1 PC KeyboardTable C–11 ADDS A2 Mode Numeric Keypad Keys on PC Keyboard; NumLock = OnKey UnmodifiedShift Ctrl Shift

ASCII Keycodes and Local FunctionsC.2 DEC VT KeyboardC.2 DEC VT KeyboardTable C–12 through Table C–19 list the keycodes sent by individual keys in eac

ASCII Keycodes and Local FunctionsC.2 DEC VT KeyboardTable C–14 WYSE and TVI Modes Cursor Keys on DEC VT KeyboardKey UnmodifiedShift Ctrl Shift/CtrlVT

Set-Up2.8 Display Menu• Scrolling mode• Screen background• Tab stops• Keyboard definitions• Lines per screen• Auto resize• Overscan2.8.15 Show Control

ASCII Keycodes and Local FunctionsC.2 DEC VT KeyboardTable C–16 (Cont.) ADDS A2 Function Keys on DEC VT KeyboardKey UnmodifiedShift Ctrl Shift/CtrlF7ST

ASCII Keycodes and Local FunctionsC.2 DEC VT KeyboardTable C–19 (Cont.) ADDS A2 Numeric Keypad PFKeys on DEC VT KeyboardKey UnmodifiedShift Ctrl Shift/

ASCII Keycodes and Local FunctionsC.3 ASCII Local FunctionsTable C–20 (Cont.) Local Functions in ASCII Code ModeFunction DEC VT Layout EPC LayoutShift

ASCII Keycodes and Local FunctionsC.3 ASCII Local FunctionsTable C–21 Local Functions in PC Scancode ModeFunction DEC VT Layout EPC LayoutSet-UpAlt/Pr

DVT520 Termcap DataD.1 Termcap EmulationsThe VT520 and the VT525 terminals have multiple terminal emulations. Thefollowing ‘‘termcap’’ and ‘‘terminfo’

VT520 Termcap DataD.1 Termcap Emulations:is=\E[1;24r\E[24;1H:\:r3=\E[?67h\E[64;1"p:\:i3=\E[?67h\E[64;1"p:\:k0=\E[29~:\:k1=\EOP:k2=\EOQ:k3=\E

VT520 Termcap DataD.1 Termcap Emulations# DECUDK# if (key < 16) then value = key;# else if (key < 21) then value = key + 1;# else if (key < 2

EANSI Control Function IndexE.1 ANSI Index by Final CharacterThis index lists the ANSI host interface commands according to their finalcharacter for re

Set-Up2.8 Display Menudetecting a keystroke. The color model follows the VESA convention for drivingEnergy Star1compliant PC monitors.Received charact

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

ANSI Control Function IndexE.1 ANSI Index by Final CharacterTable E–1 (Cont.) ANSI Control Functions Index by Final CharacterControl Function Descript

GlossaryActive SessionThe session to which keyboard input is currently directed.ANSIAmerican National Standards Institute; ANSI character set.ANSI Sta

Set-Up2.8 Display MenuWhen one session window is displayed, pressing the Session key alone cyclesthe active session in forward sequence by session num

Control CodesBinary codes representing control data, rather than graphic data, to performnon-printable functions, such as tab, form feed, bell, and so

MPR IIA Swedish standard that sets limits for low frequency magnetic energy emittedfrom electronic equipment.PCTermA terminal mode that emulates the c

XPCA remapping of transmitted XOFF and XON control codes to unused PC scancodes. While in PCTerm mode, these control codes would interfere with the sc

IndexAAbortingprint operations, 10–7Accessibility aids, 2–6, 8–15Actions menu, 2–7, 2–9banner message, 2–11calculator, 2–11clear communications, 2–9cl

ANSI control sequencesby Control Function (cont’d)CSI ? 101 l (DECCANSM ), 5–27CSI ? 1 0 2 h (DECNULM set), 5–76CSI ? 1 0 2 l (DECNULM reset), 5–76CSI

ANSI control sequencesby Control Function (cont’d)CSI ? 98 h (enable DECARSM), 5–21CSI ? 98 l (disable DECARSM), 5–21CSI ? 99 h (DECMCM set), 5–73CSI

ANSI control sequencesby Control Function (cont’d)CSI Ps1; Ps2; Ps3, } (alternate text color),5–22CSI Ps1 ; Ps2 ; Ps3 ; Ps4 * s (DECSFC),5–133CSI Ps1

ANSI control sequences (cont’d)by Control SequenceCSI ? 6 3 ; Pid n (DECCKSR request),5–33DCS Pid ! ~ D . . . D ST (DECCKSRresponse), 5–33ESC D (IND),

ANSI control sequencesby Mnemonic (cont’d)DECLFKC (local function key control),5–70DECLL (load LEDs), 5–71DECLRMM (vertical split screen mode),5–72DEC

ANSI control sequencesby Mnemonic (cont’d)DECSPMA (Session page memoryallocation ), 5–141DECSPP (set port parameters), 5–142DECSPPCS (select ProPrinte

Set-Up2.8 Display MenuYou cannot display the same session in both windows at the same time.Activating a session already displayed makes it the active

ANSI control sequencesby Name (cont’d)ANSI mode (DECANM), 4–36, 5–18Assign color (DECAC), 4–18, 5–16Assigning user-preferred supplemental sets(DECAUPS

ANSI control sequencesby Name (cont’d)Greek/N-A keyboard mapping (DECNAKB),4–29, 5–74Half-duplex mode (DECHDPXM), 4–41,5–56Hebrew encoding mode (DECHE

ANSI control sequencesby Name (cont’d)Report modifiers/alphanumeric key state(DECRPAK), 4–31, 5–94Report selection or setting (DECRPSS),4–43, 5–102Repo

ANSI control sequencesby Name (cont’d)Set lines per page (DECSLPP), 4–24,5–136Set lock key style (DECSLCK), 4–31,5–135Set margin bell volume (DECSMBV)

ASCIIPC keycodes (cont’d)ADDS mode, C–4TVI mode, C–1WYSE mode, C–1printer selection, 11–3printing data, 12–34print/send operations, 12–33protecting da

ASCII control functions (cont’d)Esc c I char (clear column to character), 12–28Esc c J (delete cursor column), 12–27Esc c K (clear position to NUL), 1

ASCII control functions (cont’d)ESC ` J (set margin bell), 12–7ESC K (activate other window), 12–13Esc k (clear foreground to NULs), 12–27Esc K (clear

ASCII control functions (cont’d)ESC ^ 0 (normal background), 12–10ESC ^ 1 (reverse background), 12–10ESC _ (set 43 data lines), 12–11ESC _ Col (addres

Character sets (cont’d)SCO Console mode, 7–5selecting, 7–5ANSI, 7–4designating, 5–197for ProPrinter, 5–143Hebrew encoding mode, 5–57locking shifts (LS

ControlfunctionsANSI (cont’d)terminal management, 4–34terminal synchronization, 4–41text processing, 4–22visual attributes, 4–20terminal managementdefi

Hardware Systems EngineerIf you are helping a user to install the terminal or to operate within a specificenvironment, then you may wish to refer to th

Set-Up2.9 Color Set-Up2.9 Color Set-UpThe Color Set-Up allows you to control the use of color by the terminal.The ASCII color mode, Reverse and blank

Dim menu items, 2–3Dim video, 2–3Disconnect delay, 2–52Displayattributecontrol functions, 12–17capabilities, 1–3menu, 2–19Display C0 controls as PC ch

Function keyscodesSCO Console mode, 6–2rate limit, 2–49GGermanPC keyboard, B–3VT keyboard, A–2Glossary, Glossary–1Graphiccharacter sets, 7–17-bit NRCS

KeyboardPC (cont’d)German, B–3Greek, B–13Hebrew, B–14Hungarian, B–15Italian, B–16Latin American, B–17North American, B–6Norwegian, B–18Polish, B–19Por

Main menu, 2–8Mapping character sets, 5–199locking shifts, 5–187single shifts, 5–205Marginsleft and right, 5–137top and bottom, 5–149Mistakecorrecting

PC keyboard (cont’d)Swedish, B–26Swiss-French, B–27Swiss-German, B–28Turkish, B–29PCTermgraphic character sets, 7–2modecommunications flow control, 11–

Reports (cont’d)printer port, 5–178report mode, 5–98report selection or setting, 5–102request mode, 5–108reset mode, 5–195restore presentation state,

SCSPC keyboard, B–23VT keyboard, A–20Selectcolor mode, 2–32Selectingcharacter setsASCII control functions, 13–3Selective parameters, 4–7Self-testerror

Set-Upmodem (cont’d)disconnect delay, 2–52enable modem control, 2–52speed, 2–53modem menu, 2–52multiple sessions, 2–11management, 2–13pages, 2–14reset

TTabsdialog box, 2–59setting, 2–58TabulationASCII control functions, 12–26TerminalID, 1–6ID to host, 2–34managementASCII, 12–4type menu, 2–33Terminal

XXON/XOFF, 9–11description, 11–3XPC flow control, 9–11ZZero symbol, 2–23Index–27

Set-Up2.9 Color Set-UpFigure 2–11 Assign ColorsThe normal text background and foreground selections determine the writingcolor used when all SGR attri

Set-Up2.9 Color Set-Up2.9.2 Alternate Text ColorsFigure 2–12 Alternate ColorsThe Alternate Text Colors dialog box allows you to specify colors for any

Set-Up2.9 Color Set-Up2.9.3 Define Colors Dialog BoxFigure 2–13 Define ColorsThe Define colors dialog box allows you to define the terminal’s color map wi

Set-Up2.9 Color Set-Up2.9.4 Select Color ModeThe Select color mode feature allows you to select how applications will displaytext colors.• When ANSI S

Set-Up2.9 Color Set-Up2.9.8 Reverse and Blank AttributesThe Reverse and blank attributes selection controls whether the reverse orblank text attribute

Set-Up2.10 Terminal Type MenuNotes• Printer operations are not affected or halted by a change in mode.• A soft reset is always performed as a result o

Set-Up2.11 ASCII Emulation Menu2.11 ASCII Emulation MenuFigure 2–14 ASCII Emulation MenuThe features, shown in Figure 2–14 and listed in Table 2–6, ar

Set-Up2.12 Keyboard Menu2.12 Keyboard MenuFigure 2–15 Keyboard MenuSeveral of the features shown in Figure 2–15 are self-explanatory and corresponddir

Set-Up2.12 Keyboard Menu2.12.1 Keyboard LanguageSome keyboards allow you to select two different keyboard layouts and easilyswitch between them (Engli

ContentsPreface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iiiPart I VT52

Set-Up2.12 Keyboard MenuFigure 2–16 Define Key Editor, Select FunctionMA−0324−93.GRA2.12.2.1 Copy of Key Default—Moving a Standard FunctionThe simplest

Set-Up2.12 Keyboard Menu2.12.2.2 CustomizationIf you want to program a key to behave differently than one of the factory definedkeys, then you will nee

Set-Up2.12 Keyboard Menu2.12.2.6 Correcting a MistakeIf you make a mistake or want to start over, choose the Cancel button. UseActions Restore factory

Set-Up2.12 Keyboard Menu2.12.2.9 User-Defined KeysThe UDK radio button allows any key to be programmed with a user-definedsequence. UDKs are a subset of

Set-Up2.12 Keyboard Menu• The toggle Num Lock function can be assigned to any single key combination.Although the Num Lock state modifies other keys, t

Set-Up2.12 Keyboard Menu2.12.7.1 Visible BellThe terminal provides a Visible bell feature, which flashes a bell ringing fontwhenever a sound is generat

Set-Up2.12 Keyboard Menu2.12.12 Application Keypad ModeThis feature selects whether the numeric keypad sends ASCII numerals orapplication function seq

Set-Up2.13 Communication Menu2.13 Communication MenuFigure 2–17 Communication MenuSeveral of the Communication features shown in Figure 2–17 are self-

Set-Up2.13 Communication MenuTable 2–8 (Cont.) Communication and Modem Features and Control FunctionsSet-Up Feature Factory Default Host Control CodeT

Set-Up2.13 Communication MenuIf sessions are not yet enabled on the corresponding port, the TD/SMP enablesessions command is issued and the first sessi

2.4.6 Banner Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–112.5 Multiple Sessions . . . . . . . . . .

Set-Up2.13 Communication Menu2.13.5 Transmit SpeedThe communication Transmit speed is set to 9600 baud. You can select transmitspeeds from the menu sh

Set-Up2.13 Communication Menu2.13.8 Receive Flow ControlThe Receive flow control method can be one of the following:NoneXON/XOFF or XPCDTR (Data Transm

Set-Up2.13 Communication Menu2.13.11 Ignore Null CharacterThe Ignore Null setting causes the terminal to discard Null charactersimmediately without bu

Set-Up2.13 Communication MenuFigure 2–21 Communication Answerback Dialog BoxControl characters are displayed using the CRM font. PressingReturnenters

Set-Up2.14 Modem Menu2.14 Modem MenuFigure 2–22 Modem Menu2.14.1 Enable Modem ControlThe field allows you to select whether the additional hardware con

Set-Up2.14 Modem Menu2.14.3 Modem High SpeedFigure 2–23 Modem High Speed MenuWhen modem control is enabled, the speed indicator signal (SI) from themo

Set-Up2.15 Printer Menu2.15 Printer MenuFigure 2–24 Printer MenuPrinter features shown in Figure 2–24 correspond to the control functions listedin Tab

Set-Up2.15 Printer MenuNoteWe recommend that you do not save the Controller mode selection in NVRbecause this may result in a "hung" termina

Set-Up2.15 Printer Menu2.15.4.1 DEC/ISO Character SetsYou can enable the character set categories shown in Figure 2–25.Figure 2–25 DEC/ISO Character S

Set-Up2.15 Printer MenuFigure 2–26 PC Character Sets Menu2.15.8 2-Way CommunicationThis item allows you to enable and disable bidirectional communicat

2.10.2 Terminal ID to Host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–342.10.3 VT Default Character Set . . . . .

Set-Up2.15 Printer Menu2.15.12 ParityYou can select any of the following parity checks to the printer:NoneEvenOddMarkSpace2.15.13 Stop BitsFor the pri

Set-Up2.16 Tabs . . .Figure 2–27 Tab Set-Up Dialog BoxThe labeled buttons allow you to clear all tabs or to set 8-column tabs directly. Toset individu

Set-Up2.17 SoundPnoteNote ~F (Hz)PnoteNote ~F (Hz)1 C5 14 C#6 10472 C#5 15 D63 D5 16 D#64 D#5(Eb) 632 17 E65 E5 18 F66 F5 19 F#67 F#5 20 G68 G5 21 G#6

Set-Up2.18 Set-Up Factory Defaults2.18 Set-Up Factory DefaultsTable 2–10 lists the default for the features in the Set-up Menu and theircorresponding

Set-Up2.18 Set-Up Factory DefaultsTable 2–10 (Cont.) Set-Up Factory DefaultsSet-Up Feature Factory Default Host Control CodeCursor direction Left to r

Set-Up2.18 Set-Up Factory DefaultsTable 2–10 (Cont.) Set-Up Factory DefaultsSet-Up Feature Factory Default Host Control Code[ ] Reverse[ ] Blink[/] Di

Set-Up2.18 Set-Up Factory DefaultsTable 2–10 (Cont.) Set-Up Factory DefaultsSet-Up Feature Factory Default Host Control CodeCommunicationPort select S

Set-Up2.18 Set-Up Factory DefaultsTable 2–10 (Cont.) Set-Up Factory DefaultsSet-Up Feature Factory Default Host Control Code[ ] 2-way communication MC

3Desktop Features3.1 IntroductionTo enhance productivity, the VT520 provides local desktop features that can beused at any time the terminal is powere