See also:

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 origin ...

Voice command system
Talk switch To turn on the voice command system, press the talk switch briefly. To turn off the voice command system, press the talk switch for more than 1.5 seconds. The commands available ...

Tone and balance control
Each brief press of the “TUNE/TRACK/ CH” dial changes the control modes in the following sequence. Choose the desired level for each mode by turning the “TUNE/TRACK/CH” dial. The control func ...