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Installation
43
• The blue wire to the Ignition or ACC (accessory) line. Always
connect the supplied 1 A fuse to this line, close to the source.
• The yellow wire to the car radio mute input.
2. Connect the direct input cable CA-161 to the respective connectors
on the car radio and the junction box.
3. Connect the display to the respective connector on the junction box.
In some cars, you may need to switch on the car radio to hear the call
audio.
Optional steps:
• To charge a compatible mobile device through the car kit, connect a
compatible charging cable (such as Nokia CA-134) to the junction
box.
• To use an optional external microphone (such as Nokia MP-2)
instead of the built-in one, connect the microphone to the respective
connector on the junction box, and modify the microphone settings
(see “Installer settings”, p. 43). You may need to use an external
microphone in noisy car environments.
■ Installer settings
The installer settings should only be modified by a qualified service
technician.
In standby mode, press and hold the power key for about 10 seconds,
and select from the following:
• DSP settings
— Select the set of audio settings that suits best. To
activate the new settings, you may need to switch the car kit off and
back on.
• Microphone settings — Select the internal or external microphone
according to the installation setup.