Models with Hands-free system

Press this button for more than 1.5 seconds if you wish to immediately cut the volume to zero.

The audio display will show “MUTE”.

If you press the button for more than 1.5 seconds again, the original sound volume will return and “MUTE” turns off.

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    MODE button
    This button is used to select the desired audio mode. Each time it is pressed, the mode changes to the next one in the following sequence. *1: The frequency last received in the selected waveba ...