![background image](http://html1.mh-extra.com/html/barco/icon-h250/icon-h250_user-manual_3843352084.webp)
2. Basic commands
2.18 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
Receive (acknowledge)
Start
\xfe
Projector address
\x01
Command[0]
\x00
Command[1]
\x06
Checksum
\x07
Stop
\xff
Receive (Awnser)
Start
\xfe
Projector address
\x01
Command[0]
\x21
Command[1]
\x0b
Data [0]
\x01
Checksum
\x2e
Stop
\xff
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R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250/400 16/02/2007
Содержание iCon H250
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Страница 136: ...4 Additional Duplicate Commands 132 R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250 400 16 02 2007...
Страница 137: ...5 RCU commands 5 RCU COMMANDS R59770077 RS 232 SERIAL COMMUNICATIONS FOR ICON H250 400 16 02 2007 133...