Ford 1999 F-350 Owner's Manual page 46

Controls and features
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.
46
SEL
BAL FADE
SEL
BAL FADE
SEL