PlayFormatMask
enter the play format mask:
1 = MPEG1 - Layer1/2 (.mp2 .mus)
2 = PCM - 8, 16 Bit, linear (.wav)
4 = MPEG1 - Layer3 (.mp3)
Possible values:
1..7
Default value:
3 (MPEG-L1/2 and PCM (linear))