Operation CHARM: Car repair manuals for everyone.

Treble/Bass (TREB/BASS)

^ Slide the TREB level up in order to increase the treble response.
^ Slide the TREB lever down in order to reduce the noise if the station is weak or noisy.
^ Slide the BASS lever up in order to increase the bass response.
Adjust the BASS lever in order to create a pleasing sound to your ear.