Barco RS232 - Manual (Page 27)

2. Basic Commands
Command
Command [0] \x27
Command [1] \x01
Returned Data
Data [0] = Maximum contrast value
Example
Reads the Maximum contrast value of the projector, the awnser being
\x64
Transmit
Start \xfe
Projector address \x01
Command[0] \x27
Command[1] \x01
Checksum \x29
Stop \xff
Receive (acknowledge)
Start \xfe
Projector address \x01
Command[0] \x00
Command[1] \x06
Checksum \x07
Stop \xff
Receive (Answer)
Start \xfe
Projector address \x01
Command[0] \x27
Command[1] \x01
Data [0] \x64
Checksum \x8d
Stop \xff
2.7.7 Brightness, increment
Description
Increments the Brightness by one.
Command
Command [0] \x22
Command [1] \x02
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