4 contrast, read, Contrast, read, Basic commands – Barco RS232 User Manual
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2. Basic Commands
Receive (acknowledge)
Checksum
\x07
Stop
\xff
2.7.4
Contrast, Read
Description
Reads the actual contrast value of the projector
Command
Command [0]
\x21
Command [1]
\x01
Returned Data
Data [0] = contrast value
Example
Reads the actual contrast value of the projector, the awnser being
\x20
Transmit
Start
\xfe
Projector address
\x01
Command[0]
\x21
Command[1]
\x01
Checksum
\x23
Stop
\xff
Receive (acknowledge)
Start
\xfe
Projector address
\x01
Command[0]
\x00
Command[1]
\x06
Checksum
\x07
Stop
\xff
Receive (Answer)
Start
\xfe
Projector address
\x01
Command[0]
\x21
Command[1]
\x01
Data [0]
\x20
Checksum
\x43
Stop
\xff
R5976884 RLM SERIES 04/04/2006
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