Hands-free unit HF-22
The hands-free unit has the following connectors:
1. Connector for input device CU-11
2. Connector for charging cable CA-134 (to charge a compatible Nokia
phone)
3. Connector for microphone MP-2
4. Mini-USB connector
5. Stereo outputs (standard RCA connectors) for connection to a car
radio with appropriate line-in ports. The outputs are active only
when you listen to music from a device that supports the A2DP
Bluetooth profile and that is connected to the car kit.
6. Connector for power cable PCU-4 or CA-153P
7. Connector for ISO cable CA-135 or CA-152
8. Connector for loudspeaker SP-3
When you install the hands-free unit, ensure that the cables for the
microphone and loudspeaker reach the places where you intend to
mount these parts.
Do not mount the hands-free unit inside a metal housing or on a metal
surface, because this will impair the Bluetooth connection between the
hands-free unit and the Bluetooth device that is connected to the car
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kit. For an optimal connection, ensure that the distance between the
hands-free unit and a metal surface is over 4 mm (0.16 inch).
Install the hands-free unit in the car using suitable mounting material
(not supplied in the sales package). Ensure that the hands-free unit
stays securely in place.