RS-232 Protocol function list for EP737
Interface
3 wires RS-232C Protocol
Baud Rate : 19200
Data Bits: 8
Parity: None
Stop Bits: 1
Flow Control : None
Command Sequence
Write Basic Protocol
Header :
Address Code :
Command Code :
Data :
Terminator Code :
Delimiter : Space
Command Sequence
Read Basic Protocol
‘*’
‘0’ fixed
ASCII Text
Fixed 3 digits
Carriage Return
Carriage Return
Header
Address Code
Command Code
Data
Terminator Code
Delimiter
‘*’
‘0’ fixed
ASCII Text
‘?’ fixed
Carriage Return
Carriage Return
Acknowledgement
Basic Protocal
Receive OK
Unknown Command
Invalid Command
In current source
Data value out of range
Data response
˝*000<CR>˝
˝*255<CR>˝
˝*001<CR>˝
˝*002<CR>˝
As Write Command Format
Function List
Basic(Original) Basic (Update)
Power On
Power Off
Source PC
KeyStone
Zoom
Mute
Freeze
Menu
Up
IR 001
IR 002
IR 003
IR 004
IR 005
IR 006
IR 007
IR 008
IR 009
Didn’t support
Didn’t support
Right
Left
Enter
Re-Sync
Source Analog RGB
Source Digital RGB
Source HDTV
Source S-Video
Source Composite Video
Source Component Video
Aspect ratio 16: 9
Aspect ratio 4: 3
Vol um e +
Vol um e –
Brightness
Contrast
Color Temperature
IR 010
IR 011
IR 012
IR 013
IR 014
IR 015
IR 016
IR 017
IR 018
IR 019
IR 020
IR 021
IR 022
IR 023
IR 024
IR 025
IR 026
IR 027
IR 010
IR 011
IR 012
IR 013
IR 014
IR 015
IR 016
IR 017
IR 018
IR 019
IR 020
IR 021
IR 022
IR 023
IR 024
IR 025
IR 026
IR 027
Read(Query) Command
Basic Return Status Mean
Lamp Status Lamp ? Lamp 0
Lamp 1
Source Src ? Src 0
Src 1
Src 2
Src 3
Src 4
Src 5
Src 6
Lamp Off
Lamp On
No signal connect
Analog RGB display
Digital RGB display
HDTV display
S-Video display
Composite Video Display
Component Video display
PS: 1.Original command is (``*_0_IR_002\r\n``,12)
2.RS-232 didn’t support ‘’Power On
OTHER COMMANDS ARE THE SAME.
4. _ means space bar.
’’ & “ Source PC