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3-15 3-15user's manual R5975236-r3 user's manual R5975236-r3
Chapter 3: Advanced commands
Chapter 3: Advanced commands
contrast, write
contrast, write
Example
Set the contrast to \x30 on a projector with address \x01.
Transmit
Start \xfe
Projector address \x01
Command[0] \x20
Command[1] \x01
Data[0] \x30
Checksum \x52
Stop \xff
Receive (acknowledge)
Start \xfe
Projector address \x01
Command[0] \x00
Command[1] \x06
Checksum \x07
Stop \xff
Example
Set the contrast to \x30 on a projector with address \x01.
Transmit
Start \xfe
Projector address \x01
Command[0] \x20
Command[1] \x01
Data[0] \x30
Checksum \x52
Stop \xff
Receive (acknowledge)
Start \xfe
Projector address \x01
Command[0] \x00
Command[1] \x06
Checksum \x07
Stop \xff