BenQ SP920 User Manual

BenQ RS232 Code

Model: SP920

1. Connection :

The below shows the illustration of connection between control terminal and Projector.

<Pin assignment >

Pin Description Pin Description

1 RX 2 CTS
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.

8 7 6

5 4 3

2

1

(It may cause Com port incorrect function, if you do not follow this instruction)

 Adapters may be necessary depending on the PC connected to this projector. Please contact with

your dealer for further details.

2. Interface Setting :

Baud Rate 115200 bps (default)

Changeable(2400/4800/9600/14400/19200/38400/57600/115200)

Setting in OSD menu
Data Length 8 bit
Parity Check None
Stop Bit 1 bit
Flow Control None

3. RS232 Commands

Function Type Operation ASCII

Write Power On <CR>*pow=on#<CR>

Power

Source Selection

Audio

Write Power off <CR>*pow=off#<CR>

Read Power Status <CR>*pow=?#<CR>

Write Analog RGB <CR>*sour=RGB#<CR>

Write DVI-D <CR>*sour=dvid#<CR>

Write HDMI <CR>*sour=hdmi#<CR>

Write Composite <CR>*sour=vid#<CR>

Write S-Video <CR>*sour=svid#<CR>

Write Component <CR>*sour=ypbr#<CR>

Read Current source <CR>*sour=?#<CR>

Write Mute On <CR>*mute=on#<CR>

Write Mute Off <CR>*mute=off#<CR>

Read Mute Status <CR>*mute=?#<CR>

Write Volume + <CR>*vol=+#<CR>

Write Volume - <CR>*vol=-#<CR>

Read Volume Status <CR>*vol=?#<CR>

Write Contrast + <CR>*con=+#<CR>

Picture Setting

Write Contrast - <CR>*con=-#<CR>

Read Contrast value <CR>*con=?#<CR>

Write Brightness + <CR>*bri=+#<CR>

Write Brightness - <CR>*bri=-#<CR>

Read Brightness value <CR>*bri=?#<CR>

Write Aspect 4:3 <CR>*asp=4:3#<CR>

Write Aspect 16:9 <CR>*asp=16:9#<CR>

Write Aspect Auto <CR>*asp=AUTO#<CR>

Write Aspect Real <CR>*asp=REAL#<CR>

Write Blank On <CR>*blank=on#<CR>

Write Blank Off <CR>*blank=off#<CR>

Read Blank Status <CR>*blank=?#<CR>

Write Freeze On <CR>*freeze=on#<CR>

Write Freeze Off <CR>*freeze=off#<CR>

Read Freeze Status <CR>*freeze=?#<CR>

Write Zoom In <CR>*zoomI#<CR>