VISUAL 200 - Page 6

V'ISUAL TECHNOLOGY INCORPORATED. RAILROAD AVENUE. DUNDEE PARK. ANDOVER. MA 01810
TABLE OF CONTENTS - Continued
Page
5.3 FULL/HALF DUPLEX ........................................ 33
5.3.1 Full Duplex ......................................... 33
5.3.2 Half Duplex
........................................ , 33
5.4
COMMUNICATION INTERFACE ........ " . . .. . . .. . . .. . . . . . . .... 34
5.4.1 Current Loop Interface ................................ 34
5.4.2 Printer
Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 35
5.5
COMMUNICATIONS INTERFACE JUMPERS ..................... , 36
5.5.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.. 36
5.5.2 Jumper Functions
.................................... 36
6. SPECIFICATIONS ........ , .................... , .. . . . . .. . . .. .. . ... .. 37
7. FIRST LEVEL MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 39
7.1 GENERAL ........................... , .... , ...... , . . . .. . . . .. 39
7.2 REAR PANEL
.............................................. , 39
7.2.1
Rear Panel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 39
7.2.2
Rear Panel Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 39
7.3
TOP COVER ................................................ 40
7.3.1 Top Cover Removal ............. . . . . .. . . . . . . . . . . . . . . .. 40
7.3.2 Top Cover Installation ................................. 40
7.4 PRINTED CIRCUIT BOARD REMOVAL AND INSTALLATION ....... 40
7.5 TV MONITOR PCB REMOVAL AND INSTALLATION .............. , 41
7.6 CRT AND FLYBACK REMOVAL AND INSTALLATION. .. . . .. . .. . .. 41
7.7 TV MONITOR ADJUSTMENTS ............... , .. , . . . . .. .. . . .. .. 41
7.8 110/220 VOLT SELECTION .................................... 43
7.9
TROUBLESHOOTING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 44
7.9.1 Self Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 44
7.9.2 Fault
Isolation ....................................... 44
8. INITIAL SETTINGS. . . . . . . . .. . . . . .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 47
8.1 INITIAL SETTINGS. . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . .. 47
8.1.1 Visual
200 (VT -52+) Mode ............................ , 47
8.1.2 ADDS
520+ Mode .................................... 47
8.1.3 Hazeltine
1500+ Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 47
8.1.4
ADM-3A+ Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 48
APPENDIX I - VISUAL 200 REMOTE COMMANDS ........................... 49
APPENDIX II - ASCII CODE CHART. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 51
APPENDIX 111- CURSOR ADDRESS VALUES VISUAL 200 (VT 52+),
ADM
3A+ MODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 53
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