Looking through the settings files I found this in ahvoc.cfg file (listed as modified last night):
0,NotUsed
0,RangeChannelBeeps
1,TuneChannelBeeps
1.00,MicVolume
1.00,SpeakerVolume
0.50,PlaybackEfffectVolume
0.50,RecordEfffectVolume
2,Flags
7.62,AugoMicGain <- typo?