GMC T-Series 2007 Owner's Manual page 141

Using the Timer
H
(Timer): The timer on the radio can be used to
set a time from 15 minutes up to three hours.
To set the timer, press the
symbol and 0:00 displays. With each press of this
button, the time increases. An alarm sounds for
two minutes, when the time expires.
Using the Alarm
#
(Alarm): The alarm on the radio can be used to
activate an alarm at a desired time.
To set the alarm, perform the following:
1. Press the DISP button until the alarm symbol
displays.
2. Press the alarm button while the alarm
symbol is flashing, until the letter A displays.
3. Press the up tuning arrow to change the hour.
4. Press the down tuning arrow to change the
minutes. After setting the alarm, the display
changes back to the current time.
H
button. The timer
5. Press the alarm button, again. The alarm
symbol displays. The alarm sounds at the
same time every day.
6. To turn the alarm off, press the alarm button.
7. To deactivate the alarm, press the alarm
button.
To check the time of the alarm, press the DISP
button.
Using the Wake-Up Timer
The wake-up timer can be used to turn the radio
on at a specific time, without the key in the ignition.
1. Press the DISP button until the alarm
symbol displays.
2. Press the alarm button while the alarm
symbol is flashing, until the letter U displays.
3. Press the up tuning arrow to change the hour.
4. Press the down tuning arrow to change the
minutes. After setting the timer, the display
changes back to the current time.
When the set time comes, the radio is
switched on and remains on for one hour.
5. To turn the radio off, press the alarm button.
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