BenQ SP920 user manual

Summary of the content on the page No. 1

BenQ RS232 Code
Model: SP920
1. Connection :
The below shows the illustration of connection between control terminal and Projector.












Pin Description Pin Description
8 7 6
1 RX 2 CTS
5 4 3
2
1
3 NC 4 GND
5 RTS 6 NC
7 TX 8 GND

Make sure that your computer and projector are turned off before connection.
Power on the computer first, and then plug the power cord of the projector.
(It may cause Com port incorrect function, if you

Summary of the content on the page No. 2

3. RS232 Commands Function Type Operation ASCII Write Power On *pow=on# Power Write Power off *pow=off# Read Power Status *pow=?# Write Analog RGB *sour=RGB# Write DVI-D *sour=dvid# Write HDMI *sour=hdmi# Source Selection Write Composite *sour=vid# Write S-Video *sour=svid# Write Component *sour=ypbr# Read Current source *sour=?# Write Mute On *mute=on# Write Mute Off *mute=off# Re

Summary of the content on the page No. 3

Function Type Operation ASCII Write Zoom out *zoomO# Picture Setting Write Auto *auto# Read Lamp Hour *ltim=?# Read Lamp-2 Hour *ltim2=?# Write Dual Brightest *lampm=dualbr# Lamp Control Write Dual Reliable *lampm=dualre# Write Single Alternative *lampm=single# Read Lamp Mode Status *lampm=?# Write Menu On *menu=on# Write Menu Off *menu=off# Write Up *up# Menu Control Write Down *down#