2005 Pontiac 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. 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. 3-54