Sony Ericsson HCA-200 Headphones User Manual


 
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Troubleshooting 5
Battery-saving function
The car handsfree has an ignition sense function in
order to save the car battery.
If the ignition sense cable is connected, the car
handsfree and the phone are turned off an hour after
the ignition was turned off. However, if a call is in
progress, the car handsfree and the phone are not
turned off until the call is ended. When the ignition
is turned on again, the car handsfree and the phone
are turned on automatically.
Troubleshooting
This section lists some of the problems that you
might encounter while using your car handsfree.
Mobile network problems
There is no mobile network within range. Move to
get a signal that is strong enough, or try searching
for another network in the Connectivity menu of
your phone.
If you often experience network problems, we
recommend you to use an external car antenna,
provided that your phone has an antenna connector.
The car handsfree is turned off
If the ignition sense cable is not connected, the car
handsfree and the phone are turned off about 24
hours after the phone was placed in the car holder.
To turn the car handsfree on again, remove the phone
from the car holder and then replace it.