Optoma Technology Projector EP739 User Manual

EP739 RS232 protocol function list  
Copyright © 2004 Optoma Inc.  
V.C04  
Interface  
3 wires RS-232C Protocol  
Baud Rate : 9600  
Data Bits: 8  
Parity: None  
Stop Bits: 1  
Flow Control : None  
Command Sequence  
Write  
Header :  
Address Code :  
Basic Protocol  
*’  
0fixed  
Command Code : ASCII Text  
Data : Fixed 3 digits  
Terminator Code : Carriage Return  
Delimiter : Space Carriage Return  
Command Sequence  
Read  
Basic Protocol  
Header  
Address Code  
Command Code  
Data  
*’  
0fixed  
ASCII Text  
?fixed  
Terminator Code Carriage Return  
Delimiter  
Carriage Return  
Acknowledgement  
Basic Protocal  
Receive OK  
˝*000<CR>˝  
˝*255<CR>˝  
˝*001<CR>˝  
Unknown Command  
Invalid Command  
In current source  
Data value out of range  
Data response  
˝*002<CR>˝  
As Write Command Format  
Function List  
Basic(Original)  
Basic (Update)  
OKOKOKOKOK  
* 0 IR 002  
* 0 IR 003  
* 0 IR 004  
Power On  
Power Off  
Source PC  
Keystone  
Zoom (*3)  
Mute  
* 0 IR 001  
* 0 IR 002  
* 0 IR 003  
* 0 IR 004  
* 0 IR 005  
* 0 IR 006  
* 0 IR 005  
* 0 IR 006  
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To further enhance the viewing experience of the audience more precise commands  
are added to minimize the disruption during a source change.  
Furthermore, to avoid confusion with old RS232 commands and possible software  
maintenance problem the silent OSD are implemented using new RS232 commands.  
The side benefit of this implementation is user choose silent OSD or non-silent OSD  
just by invoking different RS232 commands  
IR 030  
IR 031  
IR 032n  
source lock on  
source lock off  
source select n=1 is DVI-D  
n=2 is DVI-RGB (*1)  
n=3 is DVI-YPbPr (*1)  
n=4 is D-sub RGB  
n=5 is D-sub YPbPr (include 480i, 480p, 720p, 1080i, 576i, 576p)  
n=6 is D-sub SCART  
n=7 is RCA YPbPr (include 480i, 480p, 720p 1080i, 576i,  
576p)(*2)  
n=8 is composite  
n=9 is S-video  
IR 033n  
aspect ratio n=1 is 4:3  
n=2 is 16:9  
n=3 is window = 4:3 inside 16:9  
n=4 is letterbox  
IR 034nn brightness  
IR 035nn contrast  
IR 036nn volume  
IR 037nn zoom  
nn= 00-99, 99 is the brightest  
nn=00-99, 99 is highest contrast  
nn=00-99, 99 is loudest  
nn=0-31, 31 is maximum zoom  
IR 038n  
color temperature n=1 is low  
n=2 is medium  
n=3 is high  
New read commands (not related to silent mode)  
ID ?  
returns ID x  
x= any unique ID such as serial no.  
Hour?  
returns HR nnnn\rnnnn= lamp hours in 4 digits  
*1: select to DVI  
*2: Not support  
3
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