FORD 2000 F-550 v.1 - Manual (Page 35)

Bass adjust
The bass adjust control allows you
to increase or decrease the audio
system’s bass output.
Press the TONE control once, then
use the volume knob to adjust the
desired level.
Treble adjust
The treble adjust control allows you
to increase or decrease the audio
system’s treble output.
Press the TONE control twice, then
use the volume knob to adjust the
desired level.
Speaker balance adjust
Speaker sound distribution can be
adjusted between the right and left
speakers.
Press the TONE control three times,
then use the volume knob to adjust
the desired level.
Speaker fade adjust (if equipped)
Speaker sound can be adjusted
between the front and rear
speakers.
Press the TONE control four times,
then use the volume knob to adjust
the desired level.
TONE
CLK
VOL
PUSH
ON
TONE
CLK
VOL
PUSH
ON
TONE
CLK
VOL
PUSH
ON
TONE
CLK
VOL
PUSH
ON
Controls and features
35