Description :
Write a new gamma value.
Command :
Command[0]
Command[1]
Data :
Data[0] = gamma value.
Example :
Set the gamma to \x05 (= 5) 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
gamma, write
\x20
\x70
\xfe
\x01
\x20
\x70
\x05
\x96
\xff
\xfe
\x01
\x00
\x06
\x07
\xff
222