Mazda 2002 B2300 Owner's Manual page 38

Entertainment Systems
Bass adjust
The bass adjust control allows you
to increase or decrease the audio
system's bass output.
Treble adjust
The treble adjust control allows you
to increase or decrease the audio
system's treble output.
Speaker balance adjust
Speaker sound distribution can be
adjusted between the right and left
speakers.
Speaker fade adjust
Speaker sound can be adjusted
between the front and rear
speakers.
CD select
The CD select function allows you to play CDs.
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