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24
FM Scan up/down (0x23)
Initiates a FM scan up or down. Note: only valid if on FM input
Example
Command/response to starting a FM scan up:
Command:
0x21 0x01 0x23 0x01 0x01 0x0D
Response:
0x21 0x01 0x23 0x00 0x01 0xFF 0x0D
COMMAND:
Byte:
Description:
St
0x21
Zn
0x01
Cc
0x23
Dl
0x01
Data
0x01 - Scan up
0x02 - Scan down
Et
0x0D
RESPONSE:
Byte:
Description:
St
0x21
Zn
Zone Number
Cc
0x23
Ac
Answer code
Dl
0x01
Data1
0xFF - scanning
Et
0x0D
DAB Scan (0x24)
Initiates a DAB scan. Note: only valid if on DAB input
Example
Command/response to starting a DAB scan:
Command:
0x21 0x01 0x24 0x01 0xF0 0x0D
Response:
0x21 0x01 0x24 0x00 0x01 0xFF 0x0D
COMMAND:
Byte:
Description:
St
0x21
Zn
0x01
Cc
0x24
Dl
0x01
Data
0xF0 - Start DAB scan
Et
0x0D
RESPONSE:
Byte:
Description:
St
0x21
Zn
Zone Number
Cc
0x24
Ac
Answer code
Dl
0x01
Data1
0xFF - scanning
Et
0x0D
Heartbeat (0x25)
Heartbeat command to check unit is still connected and communication - also
resets the EuP standby timer.
Example
Command/response to sending a heartbeat command:
Command:
0x21 0x01 0x25 0x01 0xF0 0x0D
Response:
0x21 0x01 0x25 0x00 0x01 0x00 0x0D
COMMAND:
Byte:
Description:
St
0x21
Zn
0x01
Cc
0x25
Dl
0x01
Data
0xF0 - Heartbeat
Et
0x0D
RESPONSE:
Byte:
Description:
St
0x21
Zn
Zone Number
Cc
0x25
Ac
Answer code
Dl
0x01
Data1
0x00 - response
Et
0x0D