23 aspect ratio, read, Aspect ratio, read, Basic commands – Barco RS232 User Manual

Page 60

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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

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