BenQ CRT Television 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  
1
Description  
RX  
Pin  
2
Description  
CTS  
8
7
4
6
5
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 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  
Parity Check  
Stop Bit  
8 bit  
None  
1 bit  
None  
Flow Control  
Function  
Type  
Operation  
ASCII  
Write  
Write  
Read  
Zoom out  
<CR>*zoomO#<CR>  
<CR>*auto#<CR>  
Picture Setting  
Auto  
Lamp Hour  
Lamp-2 Hour  
Dual Brightest  
Dual Reliable  
Single Alternative  
<CR>*ltim=?#<CR>  
<CR>*ltim2=?#<CR>  
<CR>*lampm=dualbr#<CR>  
<CR>*lampm=dualre#<CR>  
<CR>*lampm=single#<CR>  
Read  
Write  
Write  
Write  
Read  
Lamp Control  
Lamp Mode Status <CR>*lampm=?#<CR>  
Write  
Write  
Write  
Write  
Write  
Write  
Write  
Menu On  
Menu Off  
Up  
<CR>*menu=on#<CR>  
<CR>*menu=off#<CR>  
<CR>*up#<CR>  
Menu Control  
Down  
Right  
<CR>*down#<CR>  
<CR>*right#<CR>  
<CR>*left#<CR>  
Left  
Enter  
<CR>*enter#<CR>  
NOTE :  
Note1: If the command format is illegal, it will echo “Illegal format”.  
Note2: If the command is not supported, it will echo “Unsupported item”.  
Note3: If the command is disabled, it will echo “Block item”.  
Note4: All the echo text will be same with the command you execute except query command  

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