Adjusting volume
1. Press 
.
: Increases the volume with a high beep sound.
: Decreases the volume with a low beep sound.
When pressing and holding the button, the volume is changed continuously with a single beep sound.
NOTES:
When activating Voice Guidance system, the volume adjustment does not take effect to the guide voice.
When one of the "Various effects and setting" mode is selected, the 
buttons do not work for the
volume adjustment. In this case, press 
repeatedly until "Playback" is heard, or finish the setting ("Complete" is heard when the setting is finished).