FORD 2004 F-550 v.3 - Manual (Page 21)

5. Power/volume: Press to turn
ON/OFF; turn to increase or
decrease volume levels.
6. Tone: Press TONE until the
desired level — Bass, Treble, Fade
appears on the display. Turn the
volume control to raise/lower the
levels, or to move the audio sound
from the right to left or the front to
back (if equipped).
7. CLK (Clock): To set the hour,
press and hold CLK until CLOCK
SET appears in the display. Press
SEEK to decrease
or
increase the hours.
To set the minute, press and hold CLK until CLOCK set appears in the
display. Press TUNE to decrease
or increase the minutes.
TONE
CLK
VOL
PUSH
ON
TONE
CLK
2004 F250/350/450/550 (f23)
Owners Guide (post-2002-fmt)
USA English (fus)
Entertainment Systems
21