Infoton VISTAR/GT Technical User'S Manual Download | Manualshive

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Summary of Contents for VISTAR/GT

Page 1: ...VISTAR GT TECHNICAL USER S MANUAL ...

Page 2: ...umidity oto 95 non condensing MODE OF OPERATION Full Half Duplex Full Duplex Keyboard output to outgoing data line Display input from incoming data line Half Duplex Keyboard output to display and to data line Display input from keyboard and data line Local On line Local Data line disconnected Operation as in Half Duplex On Line Data line connected Roll Roll When the format rolls up one line the fo...

Page 3: ...X OFF EaT RU BELL RUB CTRL REPT BRK A S 0 F G H J K L OUT J t SH IFT Z X C V B N M S HIFT J SPACE BAR CODE SET The following codes are used as indicated in the VISTAR GT Bits Bits 7 6 5 4 3 2 1 000 001 010 011 100 101 110 111 r 0000 NULL SPACE 0 P I P 0001 1 A Q I A Q 0010 2 B R I B R I 0011 3 C S I C S 0100 4 D T I D T 0101 5 E U I E U 0110 6 F V I F V I 0111 BELL 7 G W I G W 1000 8 H X I H X I 1...

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Page 5: ...INFOTON INCORPORATED SECOND AVENUE BURLINGTON MASSACHUSETTS 01803 AREA CODE 617 272 6660 SUBSIDIARY OF OPTICAL SCANNING CORPORA TION Document No 02421 June 1973 VISTAR GT TECHNICAL USER S MANUAL ...

Page 6: ...INFOTON INCORPORATED SECOND AVENUE BURLINGTON MASSACHUSETTS 01803 AREA CODE 617 272 6660 SUBSIDIARY OF OPTICAL SCANNING CORPORA TlON ii ...

Page 7: ...Computer Interface Roll Mode Transmission Mode VISTAR GT SPECIFICATIONS Screen Format Mechanical Environmental Controls Switches and Connectors Electrical FUNCTIONAL DESCRIPTION Local On Line Character Mode OPERATIONAL FEATURES Teletypewriter Compatibility Cursor Roll Mode Response to Commands Erase Screen Bell Carriage Return Line Feed Null Break Rubout EQUIPMENT DESCRIPTION Keyboard Display Cont...

Page 8: ...on Appendix A VISTAR GT Code Set Appendix B VISTAR GT Input Output Codes Appendix C MUltipurpose Asynchronous Serial Interface EIA Signals and Pin Connections Appendix 0 I O Rates as a Function of Distance LIST OF FIGURES Figure 1 1 VISTAR GT Display Terminal Figure 6 1 VISTAR GT Keyboard Figure 6 2 Dot Matrix Character Format Figure 6 3 Dot Matrix with Cursor Figure 6 4 Location of TV Controls on...

Page 9: ...active terminal device It can be utilized as a substitute for a Teletype in an unbuffered character by character conversational mode As a completely self contained desk top unit the VISTAR GT is ideally suited for high speed two way data trans mission over common voice grade telephone lines Incorporated into each unit is a keyboard power supply video presentation control refresh electronics and bo...

Page 10: ...cing filter permit easy viewing at distances up to 10 feet under direct glare and 100 foot candle illumination HIGH SPEED TRANSMISSION RATES Eleven switch selectable transmission rates from 75 to 9600 bits per second are provided CHOICE OF COMPUTER INTERFACE The unit is supplied with two forms of asynchronous serial interfaces i e a standard EIA RS 232C interface and a 20 or 60 ma TTY style curren...

Page 11: ...3 inches high 19 inches wide 23 inches deep 35 pounds 0 to 50 C 30 to 70 C oto 95 non condensing CONTROLS SWITCHES AND CONNECTORS On Off Switch Local On Line Switch TV Intensity TV Horizontal TV Vertical Data Rate Selector Full Half Duplex Switch 10 11 Bit Code Switch Odd Even Mark Parity Switch Current Loop Wiring Strip EIA Connector 115 230 Volt Wiring Connections 50 60 Hz Refresh Switch ELECTRI...

Page 12: ... LI NE operation DATA FLOW The keyboard communicates only to the interface transmitter and only the interface receiver communicates to the display memory All transmissions are on a character by character basis All codes generated by the keyboard including control or function codes go directly to the transmitter and then to the data lines The VISTAR GT may be placed in full or half duplex In half d...

Page 13: ... by the computer However since all cursor movements entered by the operator via the keyboard are transmitted to the computer the computer can at all times follow the position of the cursor This feature allows software editing on a page of textual data on the screen ROLL MODE The VISTAR GT is always in Roll Mode When the screen fills the data on the screen rolls up one line the former top line is l...

Page 14: ...e data line B The movement of the cursor into the 70th position on a line CARRIAGE RETURN Places the cursor in left most position of the bottom line LINE FEED NULL Moves all data on the screen up one line The cursor does not move No action is taken when this code appears on the data line This code is generated from the keyboard by Control Shift P BREAK Depressing the break key forces a space condi...

Page 15: ...h a mode for the keyboard Le data is not actually generated until a coded key is depressed Depressing the SH IFT key in conjunction with another key causes upper case characters to be transmitted The keyboard on the VISTAR GT generates upper case codes for the alphabetic characters whether or not the SHIFT key is depressed The lower case codes are not generated by the VISTAR GT keyboard For operat...

Page 16: ...ctangular array i e horizontal lines and vertical columns Each of the possible character positions on the display consists of a 7 x 10 matrix The 5 x 7 dot matrix format is illustrated in Figure 6 2 for the letters J and K The dot matrix forming the character is always in the upper left portion of the 7 x 10 matrix The position of the cursor within the 7 x 10 matrix is illustrated in Figure 6 3 CO...

Page 17: ...N INCORPORATED SECOND AVENUE BURLINGTON MASSACHUSETTS 01803 AREA CODE 617 272 6660 SUBSIDIARY OF OPTICAL SCANNING CORPORA TlON Figure 6 2 Dot Matrix Character Format CURSOR Figure 6 3 Dot Matrix with Cursor 9 ...

Page 18: ...itch This switch determines whether the terminal is dis connected from the data line LOCAL or connected to the data line LINE The three controls which govern the video presentation of characters are placed on the side of the unit to the operator s left The INTENSITY knob permits the brightness of the screen to be set for the operator s comfort The HORZ and VERT controls allow adjustment for a stab...

Page 19: ...ynchronism with the incoming data The STOP bit s ensure that the communi cation line is returned to the mark condition ready for a new START Transmitted data characters contain 10 or 11 bits depending on the setting of a switch The Model 33 and 35 Teletype terminals transmit 11 bit code In receiving the VISTAR GT will operate with 10 or 11 bit formats It is customary to use an 11 bit format at 110...

Page 20: ...t Data Rate This switch has 12 positions 75 110 150 300 600 1200 1800 2400 4800 7200 9600 bits per second and EXT The EXT setting provides for handling data rates other than the 11 fixed rates enumerated The external clock must be a TTL compatible pulse source cycling at 16 times the data rate maximum data rate is 1800 char second RECEIVE RATE 1200 1800 PARITY 600 2400 300 4800 150 7200 FDX HDX 75...

Page 21: ...hen operating current loop f EIA Connector This MOLEX connector attaches to a cable supplied with the terminal This cable is terminated with a 25 pin connector equivalent to Cannon DB 19604 432 or to the Cinch Jones and Cannon DB 25P In Appendix C the pin connections for both the MOLEX and the 25 pin connectors are specified WIRING OF CURRENT LOOP INTERFACE Full duplex and half duplex operation an...

Page 22: ... SUBSIDIARY OF OPTICAL SCANNING CORPORA TlON 60 20 RET II I I I I II I II L IN J LOUT J I I v DATA TO TERMINAL DATA FROM TERMINAL FULL DUPLEX 60 20 RET II II I I I I I II L IN J LOUT J I I LJ y DATA TO FROM TERMINAL HALF DUPLEX Figure 7 2 Wiring to VISTAR GT Current Loop Terminal Strip 14 ...

Page 23: ...equire modification to conform with an 80 character line 2 Blink Mode VISTA BASIC or VISTA STANDARD software using the BLINK START and or BLI NK STOP codes will have to be modified since these codes are not recognized by the VISTAR GT If received by the VISTAR GT these codes will be ignored and the cursor will not advance 3 Page Mode Code Software for the VISTA STANDARD using the Page Mode code 03...

Page 24: ...o LI NE will connect the terminal to the computer and any depression of a code generating key will cause a transmission to the computer If the VISTAR GT is connected via switched phone lines the computer must be called to establish the line Before placing the call however switch the unit from LOCAL to LI NE Make the appropriate settings rear of unit for the FDX HDX data rate bits per character and...

Page 25: ...000 001 010 011 100 101 110 111 r 0000 NULL SPACE 0 P P 0001 A Q A Q 0010 2 B R B R 0011 3 C S C S 0100 4 0 T 0 T 0101 5 E U E U 0110 6 F V F V 0111 BELL 7 G W G W 1000 8 H X H X 1001 9 y y 1010 LF J Z J Z 1011 ESC K K 1100 ERASE L L PAGE 1101 CR M M 1110 N N 1111 a a r J I RUB L __ J OUT The area enclosed by dashed lines represents lower case codes displayed as upper case characters 17 ...

Page 26: ... E Control F Control G Control H Control I Control J Control K Rings bell Backspaces some TTYs Horizontal tab on some TTYs Line feed advances display to next line rolls screen Control L Erases screen Cursor is then sent to first position of bottom line Control M Carriage Return to beginning of line Control N Control 0 Control P Control Q Control R Control S Control T Control U Control V Control W ...

Page 27: ...L SCANNING CORPORA TlON VISTAR GT INPUT OUTPUT CODES continued 7 Bit Octal Code Remarks 043 044 045 046 047 Apostrophe 050 051 052 053 054 055 056 057 060 061 1 062 2 063 3 064 4 065 5 066 6 067 7 070 8 071 9 072 073 074 075 076 077 100 101 A 102 B 103 C 104 0 105 E 106 F 107 G 110 H 111 I 112 J 113 K 114 L 19 ...

Page 28: ...TlON VISTAR GT INPUT OUTPUT CODES continued 7 Bit Octal Code Remarks 115 M 116 N 117 0 120 P 121 Q 122 R 123 S 124 T 125 U 126 V 127 W 130 X 131 Y 132 Z 133 Shift K 134 Shift L 135 Shift M 140 141 A 142 B 143 C 144 D 145 E 146 F 147 G 150 H 151 I 152 SEE J 153 K 154 NOTE L 155 M 156 N 157 0 160 P 161 Q 162 R 163 S 164 T 165 U 20 ...

Page 29: ... TION 7 Bit Octal Code 166 167 170 171 172 173 174 175 177 VISTAR GT INPUT OUTPUT CODES continued SEE NOTE v W X y Z Remarks Delete Rub Out Non displaying Moves cursor to left NOTE When received on the data line these codes are stored in memory as upper case Normally they are reserved for the display of lower case characters 21 ...

Page 30: ...e signal from terminalis ready to terminal transmit 106 Clear to send 5 3 Must be high to allow signal to terminal to send is terminal supplied by a modem 104 Data transmitted 3 4 Logical 1 OFF 5V to terminal to 25V Logical 0 ON 5V to 25V 6 8K ohm load impedance 109 Carrier present 8 5 Must be high to allow signal to terminal to receive terminal is supplied by a modem 108 2 Data terminal 20 8 Goes...

Page 31: ...ODE 617 272 6660 SUBSIDIARY OF OPTICAL SCANNING CORPORA TION APPENDIX D I O RATES AS A FUNCTION OF DISTANCE o o r o o o o 4 o 0 0 0 o 0 0 0 00 0 00 0 0 0 0 0 It 0 00 0 00 0 0 0 It I tON eo reo N to M 0 11 o r 1 III rael a 0 ra 10 c _ 23 III III LL 5 oS CI c III J III 0 ra J ...

Page 32: ...INFOTON INCORPORATED SECOND AVENUE BURLINGTON MASSACHUSETTS 01803 AREA CODE 617 272 6660 SUBSIDIARY OF OPTICAL SCANNING CORPORA TlON 24 ...

Page 33: ......

Page 34: ...Infoton INFOTON INCORPORATED SECOND AVENUE BURLINGTON MASSACHUSETTS 01803 SUBSIDIARY OF OPTICAL SCANNING CORPORA TION AREA CODE 617 272 6660 Document No 02421 June 1973 2500 CF1BB23 ...

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