Description :
Increment contrast.
Command :
Command[0]
Data :
No data bytes.
Example :
Increment contrast of a projector with address \x01 by one.
Transmit
Start
Projector address
Command[0]
Checksum
Stop
Receive (acknowledge)
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
contrast, increment
\x01
\xfe
\x01
\x01
\x02
\xff
\xfe
\x01
\x00
\x06
\x07
\xff
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