Page 1: ...TeleVldeo VT100 net OPERATORS REFERENCE HANDBOOK TVI 9128 and TVI 9208 TVI 912C and TVI 920C...
Page 2: ...Copyright Televideo Inc 1979 1979 TeleVideo Inc Specifications and information subject to change without prior notification 680...
Page 3: ...0 Installation 5 5 1 Local Installation 5 5 2 Remote Installation 5 5 3 Terminal TURN ON Procedure 5 6 0 Functional Description of TVI 912 TVI 920 6 6 1 Keyboard 6 6 2 Contrast Control 6 6 3 Transmis...
Page 4: ...ddressable Cursor 28 Escape Sequences 29 TVI 912 TVI 920 ASCII Chart 29 Operators Quick Reference Control 31 LIST OF PHOTOGRAPHS 7 1 Keyboard Function 8 TVI 920 Keyboa d 8 TV 1 912 Keyboard 8 7 9 1 TV...
Page 5: ...remote control of conversation block mode Single key edit operations TVI 920 only Page field or line edit Blinking fields Blank fields Dual intensity Reverse video Underline fields Field tab backtab...
Page 6: ...buffered serial printer port A 1 920 character second page display memory is optional on all models 3 0 SPECIFICATIONS 3 1 Monitor Size 12 inches diagonally measured Phosphor P4 non glare read out 3...
Page 7: ...ected and unpro tected data or unprotected data only 3 11 Interfaces Standard RS232 point to point 20ma current loop RS232 to printer port 3 12 Data Rates 9 speeds 75 110 150 300 600 1200 2400 4800 96...
Page 8: ...ame Ground AA 2 Transmit Data Output BA 3 Receive Data Input BB 4 Request to Send Output CA 5 Clear to Send Input CB 6 Data Set Ready opt Input 7 Signal Ground AB 8 Carrier Detect Input 20 Data Termin...
Page 9: ...tion lines 5 3 Terminal TURN ON Procedure Step 1 Step 2 Step 3 Step 4 Step 5 First make sure that ON OFF switch at the rear of the terminal is in OFF position Plug the terminal cord into a grounded 11...
Page 10: ...1 Conversation Mode Half Duplex In Half Duplex mode the TVI 912 TVI 920 sends and receives data in only one direction at a time Characters are displayed on the screen and transmitted to the computer a...
Page 11: ...ed characters The TV 1 912 TV1 920 also offers typewriter styIe tab when not in Protect mode Up to 80 tab positions may be set without loss of character location Field Reverse The data can be displaye...
Page 12: ...TV I 920B Keyboard TVI 920C Keyboard TVI 912B Keyboard TVI 912C Keyboard 8...
Page 13: ...INSERT 920 Inserts a line of nulls between the line above the cursor and ESC E ALL the line where the cursor is positioned At this time the line where the cursor was located and all following lines m...
Page 14: ...r position of the previous field If cursor moves through Ilhome it comes to rest at the last unprotected position on the screen In conversation mode no action is taken Does not transmit code Moves cur...
Page 15: ...the first unprotected field up to the cursor position when SEND PAGE was requested SHIFT SEND PAGE 920 ESC 7 ALL ESC 7 causes all characters EXCEPT NULLS in the displayed page to be transmitted All ch...
Page 16: ...ome position 912B 920B Sets the Terminal in Block Mode When in Block Mode the 912C 920C typed characters are displayed and stored but not trans mitted until a send function is activated Data may still...
Page 17: ...screen background can be selected by th is control Conversation Mode Switch Full or Half Duplex Conversation Mode operation can be selected by this switch and it is located inside the terminal accessa...
Page 18: ...to be set To set the second attribute positon the cursor over the same loca tion used to set the first attribute or piggyback and issue the next proper ESC sequence Con tinue this until all desired at...
Page 19: ...ences Send Page Unprotected ESC 5 or SEND PAGE Cursor moves to home position All unprotected characters on the display except NULLS up through the previous cursor position are transmitted followed by...
Page 20: ...he test perform the following operation 1 Disconnect any interface connectors to other devices P3 P4 2 Clear screen of all characters 3 Connect a jumper between P3 2 and P3 3 4 Momentarily short the t...
Page 21: ...he following functions ESC Disable Keyboard Disables all keyboard functions Remote function only ESC I1 Enable Keyboard Restores keyboard control Remote function only ESC LOAD CU RSOR The next two cha...
Page 22: ...ded to the transmission for error detecting If parity is used it follows the charac ter Normally lI even parity is used for asynchronous transmission and odd parity for synchronous transmission Even p...
Page 23: ...f the rates available for TVI 912 TV 1 920 to computer communication 10 3 Print Modes Page Format Mode This mode selected by ESC A allows the printer to print data exactly as displayed on the screen A...
Page 24: ...orms In Print Mode Nulls will be sent as spaces to facilitate forms entry operation Extention Print Mode This mode selected by ESC will enable data received at the modem port P3 to be output on pin 3...
Page 25: ...ed position available If there are no unprotected positions available the cursor will go to the home position and rest there as described in Section 7 1 1 Only one page may be viewed or acted upon at...
Page 26: ...rt Baud Rate NOTE ONLY ONE SWITCH DOWN 2 3 4 5 6 7 8 9 10 9 600 4 800 2 400 1 200 600 300 150 75 110 baud W14 15 16 17 S1 S3 P5 tIll R28 t 1000 W26 27 28 29 54 W31 W32 W33 W34 W22 23 P3 W1 CPU 22 W8 P...
Page 27: ...n 2 Up Down 3 Up Down 4 Up Down 5 Up Down 6 Up Down 7 Up Down 8 9 Up Down 10 Up Down 12 2 S5 UART Terminal Options Reference EIA Standard RS 232C for signal definitions 1 Open P3 6 Not connected Close...
Page 28: ...OPERATOR CONTROLS Transmission Options Contrast ON OFF Switch I Printer Port Main Port 115 220 volt switch 24 Main Port Baud Rate...
Page 29: ...FULL DUPLEX PASSIVE REV H WIRED FULL DUPLEX ACTIVE XMTR 20 mA Source RCVR XMTR 24 12 25 13 Install lOon Resistor at R 28 Install 12V Jumpers at W 15 W 17 20mA Source 20mA Source XMTR RCVR 24 P3 25 12...
Page 30: ...12V or Select DTR RTS P3 20 Select DCD from P3 8 Select DSR from P3 6 REV K and Up P3 S2 i Down Closed Blinking W 25 ON E REV t Up Open Steady Select Odd Parity t t Even Parity No Connection Select N...
Page 31: ...TERMINAL INTERIOR PHOTO 27...
Page 32: ...60 7 34 A 61 8 35 8 62 9 36 C 63 1 10 37 D 64 11 38 E 65 12 39 F 66 a 13 40 G 67 b 14 41 H 68 c 15 42 I 69 d 16 43 J 70 e 17 0 44 K 71 f 18 1 45 L 72 9 19 2 46 M 73 h 20 3 47 N 74 i 21 4 48 a 75 j 22...
Page 33: ...Insert U e u Unprotected 0110 6 Protect 6 Send Line All F V f v Auto Flip Mode On On 0111 7 Protect 7 Send Page All G W Char g w Auto Flip Mode Off Delete Off 1000 8 Write 8 H X h x I Protect Off 1001...
Page 34: ...1 1 11 1 1 0 0 12 1 1 0 1 13 1 1 1 0 14 1 1 1 1 15 NUL SOH STX ETX EDT ENQ ACK BEL BS SKIP HT LF t VTt FF CR SO 51 0 0 1 1 OLE DC1 DC2 DC3 DC4 NAK 5YN ETB CAN EM SUB ESC FS GS HOME RS NEW LINE US 2 S...
Page 35: ...Unprotected to Null ESC Clear Unprotected to Space CTR L Z ESC Keyboard Enable ESC Keyboard Disable ESC Load Cursor Row Column ESC Load Cursor Page Row Column ESC Read Cursor Row Column ESC Read Curs...
Page 36: ...TeleVldeo 2149 Paragon Drive San Jose California 95131 408 946 8500 TWX 910 338 7633 TVI VIDEO Printed in U S A...
