See also:

Locking the phonebook
1. Select the “SETUP” menu. 2. Select the “SECURITY” menu. 3. Select “PHBK LOCK” by operating the “TUNE/TRACK/CH” dial or say “PHONEBOOK LOCK”. Then “CURRENT PIN?” is displayed. 4. Input the PIN co ...

MUTE button (if equipped)
Press this button if you wish to immediately cut the volume to zero. The audio display will show “MUTE”. If you press the button again, the original sound volume will return and “MUTE” turns off. ...

Manual tuning
Type A and B audio Type C audio Turn the “TUNE/TRACK/CH” dial clockwise to increase the tuning frequency and turn the “TUNE/TRACK/CH” dial counterclockwise to decrease it. Each time the dial is tur ...