Color Balance, Read - Barco Projector User Manual

Example :
Read the color balance red/green of a projector with
address \x01. Suppose the color balance equals 1.00.
Transmit
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
Receive (acknowledge)
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
Receive (answer)
Start
Projector address
Command[0]
Command[1]
Data[0]
Checksum
Stop

color balance, read

\xfe
\x01
\x21
\x43
\x65
\xff
\xfe
\x01
\x00
\x06
\x07
\xff
\xfe
\x01
\x21
\x43
\x64
\xc9
\xff
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