FORD 2002 F-550 v.2 - Manual (Page 39)

Turn the control to raise or lower
volume.
If the volume is set above a certain level and the ignition is turned off,
the volume will come back on at a “nominal” listening level when the
ignition switch is turned back on.
Bass adjust
The bass adjust control allows you
to increase or decrease the audio
system’s bass output.
Press the BASS control. Use the
SEL control to increase or decrease
the amount of bass.
Treble adjust
The treble adjust control allows you
to increase or decrease the audio
system’s treble output.
Press the TREB control. Use the
SEL control to increase or decrease
the amount of treble.
Speaker balance adjust
Speaker sound distribution can be
adjusted between the right and left
speakers.
Press the BAL control. Use the SEL
control to adjust the sound between
the speakers.
Speaker fade adjust
Speaker sound can be adjusted
between the front and rear speakers.
Press the FADE control. Use the SEL
control to adjust the sound between
the front and rear speakers.
SEL
BASS
TREB
+
SEL
BASS
TREB
+
BAL
FADE
SEL
+
BAL
FADE
SEL
+
Entertainment Systems
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