1Preparations

Volume control

￿

￿

Function

The volume of a TV/monitor can be adjusted using a PC. Viewing volume state (Get Volume Status)

Header

Command

ID

Data length

Checksum

 

 

 

0xAA

0x12

0

 

 

 

 

 

 

 

￿Setting the volume (Set Volume)

Header

Command

ID

Data length

Data

Checksum

 

 

 

 

0xAA

0x12

1

"Volume"

 

 

 

 

 

 

 

 

"Volume": Volume value code to be set on a TV/monitor (0-100)

￿Ack

Header

Command

ID

Data length

Ack/Nak

r-CMD

Val1

Checksum

 

 

 

 

 

 

0xAA

0xFF

3

‘A’

0x12

"Volume"

 

 

 

 

 

 

 

 

 

 

"Volume": Volume value code to be set on a TV/monitor (0-100)

￿Nak

Header

Command

ID

Data length

Ack/Nak

r-CMD

Val1

Checksum

 

 

 

 

 

 

0xAA

0xFF

3

‘N’

0x12

"ERR"

 

 

 

 

 

 

 

 

 

 

"ERR" : A code showing what error has occurred

1 Preparations 36