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Installation
27
When a call is answered, the car kit switches the yellow wire to
ground, muting the car radio. When the call is ended, the yellow wire
is separated from ground, and the car radio is unmuted.
If the car radio does not have a mute connector, this wire can be left
unconnected. In this case, the car radio is not muted automatically
when you answer a call.
Alternatively, an additional relay can be used to mute the car radio
and to connect the car kit directly to the car speakers. The mute
signal is used to switch the relay.
3. Connect the blue wire to the ignition sense line of the car using the
supplied 1 A fuse.
Some vehicles do not support the ignition sense connection. In this
case the blue wire can be left unconnected but the car kit does not
switch off automatically when the car ignition is turned off.
When the ignition sense wire is not connected, the car kit
automatically switches off after two minutes if it is not connected to
the phone to prevent accidental draining of the car battery.
4. Connect the red wire to the positive terminal of the 12 V car battery
using the supplied 2 A fuse.
5. Plug the four-pin plug of the power cable into the dc connector of
the hands-free unit.
Connectivity cables
The car kit can be supplied with several connectivity cables that have
different plugs. The cables can have, for example, a Pop-Port plug or a
charging and a 3.5-mm audio plug. Select the cable according to the
devices that are used with the car kit.
Select the cable with the Pop-Port plug to connect the car kit to a
compatible phone with a Pop-Port connector and to charge the phone
battery from the car battery while using the car kit. When you use this
cable, the car kit can only be used with a music player through a
Bluetooth connection.