Barco RS232 Projector User Manual


 
2. Basic Commands
Transmit
Start
\xfe
Projector address
\x01
Command[0]
\x20
Command[1]
\x0b
Data[0]
\x01
Checksum
\x2d
Stop
\xff
Receive (acknowledge)
Start
\xfe
Projector address
\x01
Command[0]
\x00
Command[1]
\x06
Checksum
\x07
Stop
\xff
2.23 Aspect Ratio, Read
Description
Reads the actual Aspect Ratio
Command
Command [0]
\x21
Command [1]
\x0b
Returned Data
Data [0] = unsigned byte
byte value:
0 = Auto ; 1 = 4:3 ; 2 = 5:4 ; 3 = 16:9
Example
Read the PiP window which has the focus, result = \x01 (4:3 )
Transmit
Start
\xfe
Projector address
\x01
Command[0]
\x21
Command[1]
\x0b
Checksum
\x2d
Stop
\xff
58 R5976884 RLM SERIES 04/04/2006