Marquee 8521 Ultra Green (HUD) User's Manual
Display Systems
iii
Appendix B
Marquee Projectors RS-232 Control ...................................................................................B-1
B.1
Brief History of Marquee RS-232 Communications ......................................................................B-1
B.2
System Requirements and Setup .................................................................................................B-1
B.3
RS-232 Communication Cables....................................................................................................B-2
B.3.1
RS-232, 9-Pin Male to 9-Pin Female ...............................................................................B-2
B.3.2
RS-232, 9-Pin Male to 25 Pin Female..............................................................................B-2
B.4
Data Transmission Structure ........................................................................................................B-3
B.5
Transport Layer.............................................................................................................................B-3
B.5.1
$01 AND $0E (MESSAGE START AND END)................................................................B-4
B.5.2
$13 AND $11 (STOP AND RESUME) .............................................................................B-4
B.5.3
$1B (ESCAPE) .................................................................................................................B-4
B.6
Message Format ...........................................................................................................................B-4
B.6.1
HEADER (NETWORK/PROJECTOR ADDRESSING) ....................................................B-4
B.6.2
BODY ...............................................................................................................................B-5
B.6.3
Optional Checksum ..........................................................................................................B-6
B.6.4
Command Codes .............................................................................................................B-6
B.7
Creating Simple Messages ........................................................................................................ B-10
B.7.1
Sample Data Transmissions ......................................................................................... B-11
B.7.2
“Standby” Command ..................................................................................................... B-13
B.7.3
“Picture Mute” Command .............................................................................................. B-13
B.7.4
“Projector Address” Command...................................................................................... B-14
B.7.5
“Signal Status” Command ............................................................................................. B-14
B.7.6
“Ping” Command ........................................................................................................... B-15
B.7.7
“Test Pattern” Diagnostic Command............................................................................. B-15
B.7.8
Color Modulation (CNM) Command.............................................................................. B-16
B.7.9
Color Temperature Modify Command (CTM)................................................................ B-17
Appendix C
Glossary ............................................................................................................................. C-1
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