Contrast, Write - Barco Projector User Manual

Description :
Write a new contrast value.
Command :
Command[0]
Command[1]
Data :
Data[0] = contrast value.
Example :
Set the contrast to \x30 on a projector with address \x01.
Transmit
Start
Projector address
Command[0]
Command[1]
Data[0]
Checksum
Stop
Receive (acknowledge)
Start
Projector address
Command[0]
Command[1]
Checksum
Stop

contrast, write

\x20
\x01
\xfe
\x01
\x20
\x01
\x30
\x52
\xff
\xfe
\x01
\x00
\x06
\x07
\xff
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