Digital Equipment VT 240 series, Owner'S Manual

Page 1: ...VT 240series Owner s Manual...

Page 2: ...EK VT240 UG 003 VT 240series Owner s Manual Digital Equipment Corporation...

Page 3: ...articular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct t...

Page 4: ...System Box 2 Keyboard 2 How the VT240 Works 2 Operating States 3 Set Up 3 On Line 3 Local 3 Operating Modes 4 VT200 Mode 7 Bit Controls 4 VT200 Mode a Bit Controls 4 VT100 Mode 4 VT52 Mode 4 4010 4014...

Page 5: ...racter 17 Editing Keypad 17 Auxiliary Keypad 17 Top Row Function Keys 18 Hold Screen 18 Print Screen 19 Set Up 19 Data Talk 19 Break 19 F11 ESC 20 F12 BS 20 F13 LF 20 Function Key Summary 20 Visual In...

Page 6: ...31 Using a Three Stroke Compose Sequence 32 Using a Two Stroke Compose Sequence 33 Aborting or Restarting a Compose Sequence 33 CHAPTER 4 TERMINAL SET UP General 45 Using Set Up 46 Set Up Screens 46...

Page 7: ...l Characters 107 Connect Disconnect 108 Printer Port Operation 109 Terminal Printer Data Flow 112 CHAPTER 6 PROBLEM SOLVING General 113 Common Operating Problems 113 Power Up Self Test 115 Performing...

Page 8: ...4 6 Communications Set Up Screen 69 4 7 Printer Set Up Screen 75 4 8 Keyboard Set Up Screen 80 4 9 Tab Set Up Screen 85 4 10 Graphics Set Up Screen 87 4 11 4010 4014 Set Up Screen 90 4 12 Telephone S...

Page 9: ...pose Sequences Multinational Mode 34 Valid Compose Sequences National Mode 39 Status Line Messages 49 Set Up Controls and Cursor Functions 50 Set Up Screens Summary 52 Set Up Directory Screen 55 Displ...

Page 10: ...ators and connectors and shows their locations Chapter 3 Operating Procedures provides information on specific ter minal functions and operating procedures Chapter 4 Terminal Set Up describes each set...

Page 11: ...s terminal specifications Appendix B Options Documentation and Supplies describes the options related documentation and supplies mentioned in this manual and how to order them Appendix C Keyboards sho...

Page 12: ...ew of what these terminals are and what they do then briefly describes how the terminals work VT240 COMPONENTS The three main components of the VT240 series terminals are the monitor the system box an...

Page 13: ...pewriter keyboard A single coiled cable connects the keyboard to the terminal There are 15 basic keyboards available with the VT240 See Appendix C Each keyboard is for a different language HOW THE VT2...

Page 14: ...rminal communicate with a host computer Data entered at the keyboard is sent to the host computer Data received from the host computer is displayed on the monitor You can also display data entered fro...

Page 15: ...selected in set up Chapter 4 NOTE In general most VT100 application programs will run in VT200 mode 7 bit controls VT200 Mode 8 Bit Controls This mode also executes standard ANSI functions and lets yo...

Page 16: ...s from the keyboard or from the host computer You can use ReGIS graphics mode with application programs designed for Digital s VT125 terminals CRT SAVER FEATURE If during normal operation the terminal...

Page 17: ......

Page 18: ...rmation about the terminal s controls indicators and connectors The chapter also describes the keyboard including the three keypads and special function keys SYSTEM BOX The system box controls indicat...

Page 19: ...NITOR CONNECTOR POWER CORD CONNECTOR DO NOT REMOVE LABEL YETI I 7FUSE Comm EIA HOST PORT CONNECTOR Figure 2 1 COMPOSITE VIDEO OUTPUT CONNECTOR t VOLTAGE SELECTION KB KEYBOARD CONNECTOR PR PRINTER PORT...

Page 20: ...CONTROLS INDICATORS AND CONNECTORS 9...

Page 21: ...s and connectors are shown in Figure 2 2 and described in Table 2 2 SCREEN r J I E OlD 1111II11111111111111illl PUSHBUTTON POST VIDEO MONITOR CONNECTOR F nnnnnn i nn BRIGHTNESS KEYBOARD CONTROL CONNEC...

Page 22: ...CONTROLS INDICATORS AND CONNECTORS 11...

Page 23: ...nnectors are shown in Figure 2 3 and described in Table 2 3 POWER SWITCH FUSE ACINPUT CONNECTOR CABLE CONNECTORS 6 MONITOR POWER OK INDICATOR CONTRAST BRIGHTNESS DB SYNC SWITCH 19 I SYNC o r CONNECTOR...

Page 24: ...CONTROLS INDICATORS AND CONNECTORS 13...

Page 25: ...nt screen location that the terminal is referencing This location is the point on the screen most recently moved to or drawn to You can turn the graphics cursor on or off in set up KEYBOARD The keyboa...

Page 26: ...ng the Tab key sends a horizontal tab which normally moves the cursor to the next tab stop LJ Ctrl Holding down the Ctrl key and pressing another key sends a control code to the system A control code...

Page 27: ...n this manual keyboard control functions using Shift appear as follows Shift other key For example Shift Print Screen means to press and hold Shift while pressing the Print Screen key oReturn Pressing...

Page 28: ...e six editing keys have functions corresponding to their legends See your application software manual for specific information AUXILIARY KEYPAD The auxiliary keypad Figure 2 7 lets you enter numeric d...

Page 29: ...on keys Figure 2 8 have functions assigned by the application software Your application software manual should describe the function of these keys The following paragraphs describe the predefined top...

Page 30: ...o enter or exit the set up state See Chapter 4 Data Talk D Data Talk The Data Talk key only operates if the optional integral modem is installed See Chapter 3 Break D Break T le Break key works alone...

Page 31: ...lly a function key used by application prc grams In VT100 and VT52 modes it sends an LF line feed character Function Key Summary The following keys are function keys used by application programs Each...

Page 32: ...frozen See the Hold Screen key description Lock Indicator The Lock indicator comes on to indicate that the keyboard will send uppercase characters only See the Lock key description Compose Indicator...

Page 33: ...g exceptions You press Shift or Ctrl These keys do not make a keyclick because they do not send a character They modify characters sent by other keys The Wait indicator is on characters from the keybo...

Page 34: ...terminal func tions and operating procedures However your main reference source is the documentation for your application software PRINTING The VT240 has a built in serial printer interface that suppo...

Page 35: ...hen the terminal 1 receives a line feed form feed or vertical tab or 2 automatically wraps the line When selected Au to Pr i nt Mode appears on the status line in set up You can use all keyboard print...

Page 36: ...UTO DIALER OPTION The integral modem auto dialer option lets you use a telephone for normal voice communication and the terminal for data communication on the same communications line This option also...

Page 37: ...MODE FEATURES The following sections explain how to use dialer mode features such as dialing and redialing telephone numbers and dialing stored telephone numbers Typing a Telephone Number at the Keyb...

Page 38: ...er Waiting for connection The terminal remembers this number until you dial another Redialing the Last Telephone Number Dialed You can redial the last telephone number you dialed at any time without e...

Page 39: ...hone numbers in set up You can then dial these stored numbers designated A and B in dialer mode by pressing the A or B key followed by Return The terminal automatically dials the telephone numbers NOT...

Page 40: ...e monitor displays the following message Di a 11 ng number Waiting for connection NOTE The monitor screen does not display characters if you chose to con ceal the number See the Te ephone Set Up Scree...

Page 41: ...30 OPERATING PROCEDURES...

Page 42: ...r key then you press two keys whose characters form a valid compose sequence You can use two stroke sequences on all keyboards except the North Ameri can keyboard Two stroke sequences are faster than...

Page 43: ...s listed in column 1 in one or more ways With a standard key if available on that keyboard With a three stroke compose sequence always With a two stroke compose sequence if the diacritical mark is ava...

Page 44: ...terminal is in compose mode 3 Type the second character shown in column 3 For example to create e with a grave accent on a Danish keyboard press the key that has the grave accent and then type e When...

Page 45: ...34 OPERATING PROCEDURES...

Page 46: ......

Page 47: ...36 OPERATING PROCEDURES...

Page 48: ...OPERATING PROCEDURES 37...

Page 49: ...38 OPERATING PROCEDURES...

Page 50: ...OPERATING PROCEDURES 39...

Page 51: ...40 OPERATING PROCEDURES...

Page 52: ...OPERATING PROCEDURES 41...

Page 53: ...42 OPERATING PROCEDURES...

Page 54: ...OPERATING PROCEDURES 43...

Page 55: ...44 OPERATING PROCEDURES...

Page 56: ...ures in an NVR nonvolatile RAM memory NVR memory retains theses features even when power is shut off In addition to storing operator selected features the terminal also retains the factory default set...

Page 57: ...can only display one set up screen at a time You can enter the Set Up Directory screen from any other set up screen SET UP SCREENS Each set up screen occupies the bottom third of the monitor screen C...

Page 58: ...Application Cursor Keys I R Mod Pc No Pc Figure 4 2 Screen Title Sample Set Up Screen STATUS LINE The screen title identifies the current set up screen There are 10 set up screens nine standard one o...

Page 59: ...elect an action field and press the Enter key the terminal performs the action For example each scr en has an action field that reads To Directory When you select this field and press Enter the Set Up...

Page 60: ...TERMINAL SET UP 49...

Page 61: ...l the entry without changing the original value press an arrow key to change the field selection See the following Set Up Controls and Cursor section Set Up Controls and Cursor The VT240 uses a field...

Page 62: ...the Enter key The terminal replaces the Set Up Directory screen with the Display Set Up screen Figure 4 4 4 Use the arrow keys to move the field cursor to the 80 Columns field 5 Press Enter The field...

Page 63: ...creens and their features When you select the various set up features you want to use make sure to check off the box beside the parameter value selected for that feature This gives you a record of the...

Page 64: ...TERMINAL SET UP 53...

Page 65: ...set up screen The Set Up Directory screen also contains fields you can use to select terminal operating features Table 4 4 describes all fields on this screen Set Up Directory VT240 V2 0 I M 4 1 1 10...

Page 66: ...TERMINAL SET Up 55...

Page 67: ...56 TERMINAL SET UP...

Page 68: ...TERMINAL SET UP 57...

Page 69: ...58 TERMINAL SET UP...

Page 70: ...TERMINAL SET UP 59...

Page 71: ...e monitor display characteristics Table 4 5 describes all fields on this screen Display Set Up VT240V2 0 To Next Set Up 4 1 1_ 1 11 Interpret Controls H tilii iifl jj Light Text Dark Screen Monochrome...

Page 72: ...TERMINAL SET UP 61...

Page 73: ...62 TERMINAL SET UP...

Page 74: ...TERMINAL SET UP 63...

Page 75: ...used general operating features Table 4 6 describes all fields on this screen General Set Up 4 111 1 4 4 14 VT200 Mode 7 Bit Controls User Defined Keys Unlocked User Features Unlocked VT240 V2 0 IVT24...

Page 76: ...TERMINAL SET UP 65...

Page 77: ...66 TERMINAL SET UP...

Page 78: ...TERMINAL SET UP 67...

Page 79: ...68 TERMINAL SET UP...

Page 80: ...environment between the terminal and host Table 4 7 describes all fields on this screen Communications Set Up VT240 V2 0 O ii lI Recelve Transmit feliM 1 8 BIts No Parity UMml IIS I EIA Port Data Lead...

Page 81: ...70 TERMINAL SET UP...

Page 82: ...TERMINAL SET UP 71...

Page 83: ...72 TERMINAL SET UP...

Page 84: ...TERMINAL SET UP 73...

Page 85: ...74 TERMINAL SET UP...

Page 86: ...xiliary device operations with the VT240 Table 4 8 describes all fields on this screen Printer Set Up VT240 V2 0 To Next Set Up No Pr Itller to Host Normal Pr lilt Mode H M Print Full Page Print Nelll...

Page 87: ...76 TERMINAL SET UP...

Page 88: ...TERMINAL SET UP 77...

Page 89: ...78 TERMINAL SET UP...

Page 90: ...TERMINAL SET UP 79...

Page 91: ...features Table 4 9 describes all fields on this screen Keyboard Set Up VT240 V2 0 To Next Set Up Mii h Typewrltel Keys Auto Repeat Marqln Bell No Auto Answerback Answerback VT240 Answerback Message f...

Page 92: ...TERMINAL SET UP 81...

Page 93: ...82 TERMINAL SET UP...

Page 94: ...TERMINAL SET UP 83...

Page 95: ...84 TERMINAL SET UP...

Page 96: ...n be either 80 or 132 columns wide depending on the number of columns set See Co 1urnn 5 in the Display Set Up screen There are two possible settings for each tab stop field the letter T tab stop sett...

Page 97: ...86 TERMINAL SET UP...

Page 98: ...4 11 describes all fields on this screen NOTE To set Tektronix 4010 4014 characteristics see your application software manuals Graphics Set Up VT240 V2 0 To Next Set Up To 4010 4014 Set Up Graphics C...

Page 99: ...88 TERMINAL SET UP...

Page 100: ...TERMINAL SET UP 89...

Page 101: ...ics characteristics Table 4 12 describes all fields on this screen NOTE To set Tektronix 4010 4014 characteristics see your application software manuals 4010 4014 Set Up VT240 V2 0 pe II lIIgal l Alig...

Page 102: ...TERMINAL SET UP 91...

Page 103: ...92 TERMINAL SET UP...

Page 104: ...describes all fields on this screen NOTE You can only select the Telephone Set Up screen if the VT24X AA integral modem option is installed Telephone Set Up VT240 V2 0 p PNi 61 16 I r II plllJlII 111...

Page 105: ...94 TERMINAL SET UP...

Page 106: ...TERMINAL SET UP 95...

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Page 108: ...nal Communications Set Up screen and the printer Printer Set Up screen The VT240 operates in accordance with the following national and international communications standards EIA Standard RS232C RS423...

Page 109: ...ocal printer Tables 5 1 through 5 3 describe the interface signals for the three connectors NOTE Only the connector pins listed in Tables 5 1 through 5 3 are used MODEMS The VT240 can operate with all...

Page 110: ...COMMUNICATION 99...

Page 111: ...100 COMMUNICATION...

Page 112: ...COMMUNICATION 101...

Page 113: ...102 COMMUNICATION...

Page 114: ...M CABLE BCC04 10 10 feet 25 25 feet 50 50 feet 9 PIN PRINTER PORT Cables MODEM PRINTER CABLE BCC05 10 10 feet 25 25 feet 50 50 feet 50 50 feet HOST COMPUTER HOST COMPUTER HOST COMPUTER HOST COMPUTER P...

Page 115: ...ters When the input buffer fills to 64 256 512 or 1024 characters selected from the Communications Set Up screen the terminal sends an XOFF character if you enabled XOFF from the Communications Set Up...

Page 116: ...er sent was XOFF A clear terminal operation is performed A recall operation is performed The power up self test is completed Chapter 6 You press the Hold Screen key to release the screen when the inpu...

Page 117: ...mulas to determine how fast the host computer must respond to the first XOFF character to prevent loss of characters due to buffer overflow Calculate the overflow first then host response time NOTE Th...

Page 118: ...buffer has 1024 characters in it OVFL 2048 1024 3 x 4800 4800 1021 characters HRST 1021 x 8 bits 1 bit 0 bits 1 4800 2 13 seconds Therefore the host computer must stop sending data in 2 13 seconds or...

Page 119: ...owing conditions cause communications line disconnect Typing Shift Break Invoking Recall or Defaul t values in the Set Up Directory screen Loss of DSR Loss of RLSD for a time you defined in set up No...

Page 120: ...nput device printer to host mode you can send data from the printer or auxiliary device and the keyboard to the host Figure 5 3 The terminal treats data from the printer port the same as keyboard data...

Page 121: ...ut device printer controller mode the device connected to the printer port is treated as a terminal while the VT240 monitors line traffic Figure 5 5 All characters from the host are sent directly to t...

Page 122: ...I L____ _ Figure 5 4 PRINTER Printer Port as Output Device Normal Print Mode rvrno 1 1 SYSTEM 1 _1__ I KrnoARD BOX L____ _ Figure 5 5 PRINTER Printer Port as Input Output Device Printer Controller Mod...

Page 123: ...through the printer port The terminal starts send ing data again when it receives XON or when a clear comm operation is performed The terminal has a 256 character input buffer for the printer port wit...

Page 124: ...if you have a problem with the VT240 The chapter provides a problem checklist and describes the power up self test COMMON OPERATING PROBLEMS Table 6 1 lists common operating problems and their possib...

Page 125: ...114 PROBLEM SOLVI NG...

Page 126: ...al The terminal cannot respond to commands other than those used for the test itself When the test cycle ends control returns to the terminal In the self test mode the monitor screen and the keyboard...

Page 127: ...ul power up self test ends with all keyboard indicators off the power ok indicator on and the screen displaying the message shown in Figure 6 1 The message is erased when a character is received from...

Page 128: ...PROBLEM SOLVING 117...

Page 129: ...d Service number for assistance Before calling make sure to note the exact nature of the problem when it occurred and any error messages or codes that appeared Information about your warranty Digital...

Page 130: ...box Height Width Depth Weight Keyboard Height Width Depth Weight Monochrome monitor Height Width Depth Weight Adjustable tilt 10 2 em 4 in 45 7 em 18 in 30 5 em 12 in 7 2 kg 16 Ibs 5 1 em 2 in 53 3 em...

Page 131: ...titude Electrical Line voltage switch selectable Line frequency Power cord 32 4 cm 12 75 in 38 em 15 in 42 1 cm 17 in 16 6 kg 36 6 Ibs 10 to 40 C 50 to 104 F 10 to 90 28 C 82 F 2 C 36 F 2 4 km 8000 ft...

Page 132: ...x 1 3 mm for 132 columns Active display size 20 2 cm x 11 5 cm 8 in x 5 in Character sets ASCII national replacement NRC DEC supplemental and DEC special graphics in loadable 80 or 132 column font Con...

Page 133: ...essing versions available in 15 languages Sculptured key array Matte texture finish keys Home row key height 30 mm 1 18 in above desktop 1 27 cm 0 5 in square 1 9 cm 0 75 in center to center single wi...

Page 134: ...PTIONS There are two options available for the VT240 You can order these options from Digital Part Number VT24X AA VR24X AA Description Integral modem auto dialer This option is a circuit board instal...

Page 135: ...g character codes and control sequences needed to generate terminal control programs This manual also provides an overview of ReGIS graphics and Tektronix 4010 4014 programming Describes the installat...

Page 136: ...not provide part numbers for printed circuit board components Provides a detailed parts breakdown of the VT241 field replaceable units Does not provide part numbers for printed circuit board component...

Page 137: ...by phone from 8 30 a m to 6 00 p m EST or by mail Continental USA and Puerto Rico Call 800 258 1710 or mail to Digital Equipment Corporation P O Box CS2008 Nashua NH 03061 New Hampshire Alaska Hawaii...

Page 138: ...s standard and word processing The key positions on both types of keyboards are the same However the word processing version has different key legends appropriate to word processing only United States...

Page 139: ...C 0 DDDI Ii O D D D D r DD Do 8 ill ill i u lliJ ill J 6 L jD 2 D D Q IIDD0 _10 t GJtj Q QD D 0 D a 8D O QDtJ fD co O J D Q tJ 15 tJbJtJ c III d u Q E lb J C l D s tJ b t Q 0 iD z J BDlJDil j 0 Q D D...

Page 140: ...APPENDIX C 129...

Page 141: ...130 APPENDIX C...

Page 142: ...APPENDIX C 131...

Page 143: ...132 APPENDIX C...

Page 144: ...APPENDIX C 133...

Page 145: ...134 APPENDIX C...

Page 146: ...APPENDIX C 135...

Page 147: ...136 APPENDIX C...

Page 148: ...APPENDIX C 137...

Page 149: ...138 APPENDIX C...

Page 150: ...D DDDI II D D D D D It DD Do j 0 Iill I EJ J 0 OJ 0iJ s oS i g il 6 D 2 D N00 Ql i ii 1 O DDb _ITO J I 5 I D QtJbD D QtJ fO D Q l J e b tJD D h tb J 00 c u 0 0 Q tJ w a Q C 1 0 Q GJ C I D D JD l u Q...

Page 151: ...140 APPENDIX C...

Page 152: ...APPENDIX C 141...

Page 153: ...D D J J D D LJ J D D DD o 10 j GIJ l illLEJ I IT IIill 16 GSD 2 D D D D UJ 6 j j 0 lIo D tJl J D QtJbJ D Qbb D N C J 2 Ie tJ ctI E tJo Q S2 tJ D 0 c D ctI QtJ J 1 Q N 1 D Q b w 00 en D d c J 11 J JOl...

Page 154: ...4 Character set mode 67 Character sets DEC multinational 4 5 national 4 5 INDEX Clear comm 57 Clear display 56 Communications 97 112 buffer overflow 106 107 cables 103 character format 72 78 104 conn...

Page 155: ...ault settings 59 Delete key 16 26 DEL Implies Lo Y feature 92 Dialer mode 26 30 call status 28 dialing a new telephone number 27 dialing a stored telephone number 28 disconnecting calls 29 redialing a...

Page 156: ...tor 2 10 13 monochrome 10 11 color 12 13 Multinational mode 5 67 INDEX 145 N National mode 5 67 National replacement character sets 21 Next Screen key 21 0 On line 3 Operating modes 4010 4014 4 65 VT5...

Page 157: ...creen summary Set up screens 46 52 95 4010 4014 90 92 Communications 69 74 Directory 54 59 Display 60 63 General 64 68 Graphics 87 89 Keyboard 80 84 Printer 75 79 Summary 52 53 Tab 85 86 Telephone 93...

Page 158: ...w Wait indicator 21 Wrapping text 62 x XJ delete key 16 26 XOFF feature 46 71 77 INDEX 147...

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Page 160: ...er If you perform your own maintenance you should use our fast turnaround module and subassembly repair service called DECmailer For more information on any of Digital s maintenance services call the...

Page 161: ...Printed in U S A EK VT240 UG 003...

Page 162: ...Printed in U S A EK VT240 UG 003...