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
‘0’ fixed
ASCII Text
Fixed 3 digits
Carriage Return
Carriage Return
Command Sequence
Read
Basic Protocol
Header
‘*’
Address Code
Command Code
Data
Terminator Code
Delimiter
‘0’ fixed
ASCII Text
‘?’ fixed
Carriage Return
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)
IR 001
IR 002
IR 003
IR 004
Basic (Update)
Didn’t support
Power On
Power Off
Source PC
KeyStone
Zoom
Didn’t support
IR 005
Mute
Freeze
IR 006
IR 007
Menu
Up
IR 008
IR 009
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