29 keystone, read, Keystone, read, Basic commands – Barco RS232 User Manual
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2. Basic Commands
Transmit
Data[1]
\x00
Checksum
\x71
Stop
\xff
Receive (acknowledge)
Start
\xfe
Projector address
\x01
Command[0]
\x00
Command[1]
\x06
Checksum
\x07
Stop
\xff
2.29 Keystone, Read
Description
Reads the actual Keystone value
Command
Command [0]
\x21
Command [1]
\x50
Returned Data
signed word
Data[0] = MSB
Data[1] = LSB
Example
Reads the actual keystone value, being
\x00
Transmit
Start
\xfe
Projector address
\x01
Command[0]
\x21
Command[1]
\x50
Checksum
\x72
Stop
\xff
Receive (acknowledge)
Start
\xfe
Projector address
\x01
Command[0]
\x00
Command[1]
\x06
R5976884 RLM SERIES 04/04/2006
61
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