Audio tweaks for the Abardeen F80 watch phone, to be performed in Engineer Mode: Normal Mode: Mic all to 212 Sph and Sph2 to 6,8,10,12,14,16,18 Sid all to 0 Headset Mode: Mic all to 230 Sph and Sph2 to 32,40,50,62,76,90,104 Sid all to 16 LoudSpeaker Mode: Mic all to 220 Sph and Sph2 to 16,28,42,55,68,82,96 Sid all to 0 Speech Enhancement, Normal Mode: parameters 5 and 21 to 31 parameters 7 and 23 to 128 Speech Enhancement, LoudSpeaker Mode: parameters 4 and 20 to 32767 parameters 7 and 23 to 256 Speech Enhancement, BT Earphone Mode: parameters 4 and 30 to 32767 parameters 7 and 23 to 8000 parameters 11 and 27 to 16383 Mind that I have no idea what any of the 'Speech Enhancement' parameters really do. They seem to control some kind of equaliser. I only experimented and found the above values to produce good results.