See also:

Symbols and messages in the display
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Activating/deactivating
The control panel is activated by pressing MODE when the audio system is switched on. It is switched off automatically when the audio system is switched off or by a long press on MODE. ...

The laser sensor
The upper decal describes the laser beam's classification and contains the following text: Invisible Laser radiation – Do not view directly with optical instruments (magnifiers) – Class 1M ...