Press the [/MENU] button for more than one second.
The Menu selection mode is activated.
Select "FUNC" by pressing the [] or [] button, and then press the [ENTER] button.
The function mode is activated.
Select a setting item by pressing the [] or [] button.
When the button is pressed, the setting item changes in the following order.
GuideTone ↔ Clock ON/OFF ↔ Clock Adjust ↔ Demo ↔ HD Radio*1 ↔ AUX ON/OFF*2 ↔ AUX Sensitivity*2 ↔ S/A Sensitivity ↔ BT Audio ON/OFF ↔ BT Audio Setting*3
*1 This setting can only be chosen when an optional HD Radio tuner unit is connected. For details, see HD Radio reception settings.
*2 For details, see Switching the AUX mode on and off and Changing auxiliary input sensitivity.
*3 For details, Bluetooth audio setup.