2. Basic commands
2.6.4
Contrast, Read
Description
Reads the actual contrast value of the projector
Command
Command [0]
Command [1]
Returned Data
Data [0] = contrast value
Example
Reads the actual contrast value of the projector, the awnser being \x20
Transmit
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
Receive (acknowledge)
Start
Projector address
Command[0]
Command[1]
Checksum
Stop
Receive (Answer)
Start
Projector address
Command[0]
Command[1]
Data [0]
Checksum
Stop
34
R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400 16/02/2007
\x21
\x01
\xfe
\x01
\x21
\x01
\x23
\xff
\xfe
\x01
\x00
\x06
\x07
\xff
\xfe
\x01
\x21
\x01
\x20
\x43
\xff