Chapter 9
79 smarttech.com/kb/170295
Chapter 9: Connecting your room control
system to your interactive
projector
Serial interface settings 79
Command inventory 81
Value-based command methods 82
Absolute values and adjustment values 82
Video source specification values 82
Power state controls 83
Source selection controls 84
General source controls 85
Additional VGA source controls 86
Audio controls 87
Network controls 88
System controls 89
By connecting a computer or room control system to the DB9 room control serial interface of your
interactive projector, you can select video inputs, start or shut down your interactive projector and
request information such as projector lamp use, current settings and network addresses.
This chapter documents the projector programming commands.
Serial interface settings
The projector communicates over an RS232 interface and the wiring is as per the RS232 standard on
pins 2,3, and 5.
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