GMC 2003 GMT560 T-Series, Owner'S Manual

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Setting Preset Stations
The six numbered pushbuttons let you return to your
favorite stations. You can set up to 18 stations (six AM,
six FM1 and six FM2) by performing the following steps:
1. Turn the radio on.
2. Press AM FM to select AM, FM1 or FM2.
3. Tune in the desired station.
4. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever you
press that numbered pushbutton, the station
you set will return.
5. Repeat the steps for each pushbutton.
Setting the Tone (Bass/Treble)
AUDIO: To adjust the bass and treble, press and
release AUDIO until BAS or TRE appears on the
display. Then press and hold the up or the down arrow
to increase or to decrease. If a station is weak or
noisy, you may want to decrease the treble.
To adjust bass or treble to the middle position, select
BAS or TRE. Then press and hold AUDIO for more than
two seconds until you hear a beep. B and a zero or
T and a zero will appear on the display.
To adjust both tone controls and both speaker controls
to the middle position, end out of audio mode by
waiting for the display to change to the time display.
Then press and hold AUDIO for more than two seconds
until you hear a beep. CEN will appear on the display.
Adjusting the Speakers (Balance/Fade)
AUDIO: To adjust the balance between the right
and the left speakers, press and release AUDIO until
BAL appears on the display. Then press and hold the up
or the down arrow to move the sound toward the right
or the left speakers.
To adjust the fade between the front and rear speakers,
press and release AUDIO until FAD appears on the
display. Then press and hold the up or the down arrow
to move the sound toward the front or the rear
speakers.
To adjust balance or fade to the middle position, select
BAL or FAD. Then press and hold AUDIO for more
than two seconds until you hear a beep. L and a zero or
F and a zero will appear on the display.
To adjust both tone controls and both speaker controls
to the middle position, end out of audio mode by
waiting for the display to change to the time display.
Then press and hold AUDIO for more than two seconds
until you hear a beep. CEN will appear on the display.
Fade may not be available if you have a regular
cab model.
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