1Preparations

Volume control

Function

The volume of a product 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 product. (0-100)

Ack

Header

Comma

 

Data length

Ack/Nak

r-CMD

Val1

 

 

nd

 

Checksu

 

ID

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

m

0xAA

0xFF

3

‘A’

0x12

"Volume

 

 

 

 

"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

"Volume": Volume value code to be set on a product. (0-100)

Nak

Header

Comma

 

Data length

Ack/Nak

r-CMD

Val1

Checksu

 

nd

ID

 

 

 

 

 

 

 

 

 

 

m

 

 

 

 

 

 

 

 

 

 

 

 

 

0xAA

0xFF

 

3

‘N’

0x12

"ERR"

 

 

 

 

 

 

 

 

 

 

"ERR" : A code showing what error has occurred.

1 Preparations 42