![](/images/new-backgrounds/1274756/27475653x1.webp)
Chapter 2. Hardware
Ack
Header | Command ID | Data | Ack/ | Val1 | Checksum | ||
|
|
| length | Nak |
|
|
|
|
|
|
|
|
|
|
|
0xAA | 0xFF | 3 | 'A' | 0x11 | "Power" |
| |
|
|
|
|
|
|
|
|
“Power”: Power code to be set on a product.
Nak
Header | Command ID | Data | Ack/ | Val1 | Checksum | ||
|
|
| length | Nak |
|
|
|
|
|
|
|
|
|
|
|
0xAA | 0xFF | 3 | 'N' | 0x11 | "ERR" |
| |
|
|
|
|
|
|
|
|
“ERR” : A code showing what error has occurred.
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 | Data | Checksum |
|
|
| length |
|
|
|
|
|
|
|
|
0xAA | 0x12 |
| 1 | “Volume” |
|
|
|
|
|
|
|
“Volume”: Volume value code to be set on a product.
27
Ack
Header | Command ID | Data | Ack/ | Val1 | Checksum | ||
|
|
| length | Nak |
|
|
|
|
|
|
|
|
|
|
|
0xAA | 0xFF | 3 | 'A' | 0x12 | “Volume” |
| |
|
|
|
|
|
|
|
|
“Volume”: Volume value code to be set on a product.
Nak
Header | Command ID | Data | Ack/ | Val1 | Checksum | ||
|
|
| length | Nak |
|
|
|
|
|
|
|
|
|
|
|
0xAA | 0xFF | 3 | 'N' | 0x12 | "ERR" |
| |
|
|
|
|
|
|
|
|
“ERR” : A code showing what error has occurred.
Input source control
Function
•The input source of a product can be changed using a PC.
Viewing input source state (Get Input Source Status)
Header | Command | ID | Data length | Checksum |
|
|
|
|
|
0xAA | 0x14 |
| 0 |
|
|
|
|
|
|