EQ Setting (1A)

Command: AA 1A 01 EQ SM

Return: None

E.g. AA 1A 01 02 C7 Set EQ to ROCK

Combination Play(1B)

Command: AA 1B Upper-byte of the audio 1, Lower-byte of the audio 1...Upper-byte of the audio n,

Lower byte of the audio n.

Return: None

E.g. AA1B04303130328C, audios with file names of 01 and 02 are grouped together to play

Explanation: The combination of file names is very convenient, more accurate than combined file

numbers, and is not restricted by the copy order limitation.

End Combination Play(1C)

Command: AA 1C 00 C6

Return: None

Explanation: End combination playback, and return the play state before the combination.

Set channels(1D)

Command: AA 1D 01 channels SM

Return: None

Check the short-file name(1E)

Command: AA 1E 00 C8

Return: AA 1E The length of short-file name Short-file name SM

Select audio but do not play(1F)

Command: AA 1F 02 Upper-byte Lower-byte SM

Return: None

Control of Repetition(20)