2020About This ReceiverOperation■ Using the Audio CoverAfter detaching the PND, we recommend youto use the optional Audio Cover for thisreceiver.■ Fitting the Audio Cover● Engage the catch at the left end of theAudio Cover with the lock on the main unit.● Press the right-hand side of Audio Coverso that it fits and clicks.■ How to Detach the Audio Coverfrom the Main Unit● This removes the right edge of the audiocover from the main unit.● Hold the audio cover on the right side, lift itup and pull it toward you to remove it.The PND is equipped with a built-in hands-free microphone and a light sensor. Fordetails on how to use the hands-free callfunction or configure light sensor settings,refer to the operation manual of the PND.IMPORTANTUsing the Audio Cover1 Mount the left end of audio cover onthis receiver.2 Mount the entire Audio Cover on thisreceiver.1 Press the [Release] button.2 Remove the audio cover.Hands-Free Microphoneand Light Sensor● Pressing a sharp object against the hands-free microphone or the light sensor maydamage them.● If you are hard to hear the voice duringhands-free calling, adjust the front paneltilting angle and try to direct themicrophone toward you.Built-in hands-free microphoneLight sensor