Ford F-650 2001 Owner's Manual page 45

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.
Speaker fade adjust
Speaker sound can be adjusted
between the front and rear
speakers.
Press the FADE control then press:
•
to shift the sound to the front
and
•
to shift the sound to the rear.
Controls and features
SEL
BAL
SEL
BAL FADE
SEL
FADE
45