Phone SettingsYou can also enter the menu ->Audio->Ring Tones->Volume, and press or todecrease/increase the ringer volume.Advisory tones are acoustic signals of your handset, which inform you of differentactions and states. The following advisory tones can be configured independently ofeach other:• Keypad Tone: plays when a user presses any key of the keypad.• Confirmation: plays when a user saves settings or places the handset in thecharger cradle.• Low Battery: plays when the capacity of the batteries is low and the handsetrequires charging.To configure the advisory tones:1. Press to enter the main menu.2. Select ->Audio->Advisory Tones.3. Press or to select the desired value from the Keypad Tone field.4. Press or to select the desired value from the Confirmation field.5. Press or to select the desired value from the Low Battery field.6. Press the Save soft key to accept the change or the Back soft key to cancel.The handset backlight status in the charging state or out of the charging state can beconfigured independently of each other. If enabled, the backlight is always on.Otherwise, the backlight is turned off after the handset is idle for a period of time. Butthe backlight is automatically turned on when an incoming call arrives, a key is pressedor the status of the handset changes. You can disable the backlight to save power.To configure the backlight:1. Press to enter the main menu.2. Select ->Display->Display Backlight.3. Press or to select the desired value from the In Charger field.4. Press or to select the desired value from the Out Of Charger field.5. Press the Save soft key to accept the change or the Back soft key to cancel.37Advisory TonesBacklight