Installation
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6. Push the remote control into the holder (7).
Display
Attach the display using the supplied mounting 
plate. The display should be located so that it is 
clearly visible for the user and it can be easily 
rotated left, right, up, or down.
For the built-in microphone, mount the display so that it is not too far 
from the driver or exposed to direct air streams from the vents.
■ Integration with a car radio system
The car kit can be connected to a car radio system in three different 
ways:
• Installation using the ISO cable CA-160: When you connect the car 
kit to the car radio system with this cable, the car radio is muted 
when you make or receive a call.
• Installation using the power cable CA-153P and an external speaker: 
The junction box RX-73 is connected to the car radio with the power 
cable CA-153P, and an optional external speaker is used for calls.
• Installation using the power cable CA-153P and direct input cable 
CA-161: The junction box RX-73 is connected to the car radio with 
the power cable CA-153P and the direct input cable CA-161, and the 
car radio speakers are used for calls.
■ Optional accessories
Charging cable
To charge a compatible mobile device from the car kit, you can use an 
optional charging cable, such as CA-134.
Microphone
In noisy car environments, you can use an optional external microphone 
(such as Nokia MP-2) to improve the audio quality.
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