Command: AA 20 04 beginning-minute beginning-second ending-minute ending-second SM

Return: None

End repetition(21)

Command: AA 21 00 CB

Return: None

Specify the time to rewind(22)

Command: AA 22 02 Upper-byte Lower-byte SM

Return: None

Explanation: The unit is seconds

Specify the time to wind(23)

Command: AA 23 02 Upper-byte Lower-byte SM

Return: None

Explanation: The unit is seconds

Get the total time of the current audio(24)

Command: AA 24 00 CE

Return: AA 24 03 hour minute second SM

Start the playback time sending(25)

Command: AA 25 00 CF

Return: AA 25 03 hour minute second SM

Explanation: Start to send playing time, Return automatically when the time is updated.

End to send the playing time(26)

Command: AA 26 00 D0

Return: None

Explanation: End the playback time sending.