FORD 2001 F-550 v.2 - Manual (Page 51)

Treble adjust
The treble adjust control allows you
to increase or decrease the audio
system’s treble output.
Press the TREB control then press:
•
to decrease the treble output
and
•
to increase the treble output.
Speaker balance adjust
Speaker sound distribution can be
adjusted between the right and left
speakers.
Press the BAL control then press:
•
to shift sound to the left and
•
to shift sound to the right.
BASS TREB
SEL
BAL FADE
SEL
Controls and features
51