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2. RS232 Commands
2.60 Contrast, Read
Description
Read the actual contrast value.
Command
Command [0]
\x21
Command [1]
\x01
Return Data
Data [0]
Contrast Value
Example
Read the actual contrast value of a projector with address
\x01
. Suppose the contrast equals
\x30
.
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]
\x30
Checksum
\x53
Stop
\xff
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R5976538 BARCOREALITY SIM6 ULTRA SERIES 08/06/2005