Ford 2002 Excursion Owner's Manual page 31

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.
Entertainment systems
BASS
+
SEL
TREB
BASS
+
SEL
TREB
BAL
+
SEL
FADE
BAL
+
SEL
FADE
31