Pontiac 2005 GTO Owner's Manual page 148

Options Menu Adjustment
Confirmation beeps, SDV, and DDL can all be adjusted
by doing the following:
1. Turn off the radio by pressing the OFF button.
2. Press and hold pushbutton 1, then press the ON
button until OPTION MENU appears on the
display.
3. Push the AUDIO knob until the correct option
appears on the display.
4. Turn the AUDIO knob to adjust the setting of the
option being displayed.
5. Push the AUDIO knob to select another option or
press the OFF button to exit the options menu.
The selection will be saved.
If no buttons are pressed or turned for
eight seconds, the radio will automatically
exit the menu and the radio will turn on.
3-54
Master Reset
The radio has a reset feature that allows you to return
certain settings back to the factory default settings.
Use this feature when adjustments have been made that
affect the sound quality or operation of the radio and
you are unsure of how to return to the original settings.
This master reset feature will reset the following:
•
Bass, Treble, Fade, and Balance
•
Confirmation beeps to on
•
SDV to setting 2
•
DDL to on
•
EQ to off.
To perform the master reset, do the following:
1. Turn off the radio by pressing the OFF button.
2. Press the ON button and pushbutton 4 at the same
time for about two seconds.
After the radio has finished resetting, the radio will
turn on with the original settings and no message
will appear on the display.