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Resetting the BT Drive Free 311
You can restore the original factory settings of the BT Drive Free 311. In doing
so, all paired cell phones, the phone book and the call list are deleted and
English is set for voice announcements.
– In standby mode without Bluetooth connection, hold the buttons "+" and
"–" pressed at the same time for 5 seconds until the display shows "Erasing".
The process starts and is completed once the display shows "Erased" and
you hear a voice announcement.
– The BT Drive Free 311 automatically switches o .
Fault removal
If a connection between the BT Drive Free 311 and a cell phone cannot be
established, observe the following:
– Ensure that the battery is charged.
– Ensure that the Bluetooth function of the cell phone is activated. You nd
more detailed information in the operating instructions of the cell phone.
– Check whether the BT Drive Free 311 is connected with the cell phone.
– Ensure that the distance between the BT Drive Free 311 and a connected
cell phone is less than 10 metres and no obstacles (such as walls or elec-
tronic devices) are located between the devices. Obstacles can interfere
with the transmission or reduce the range.
– If these steps do not lead to a solution of the problem, remove the battery
for several minutes. If need be, contact the Service Centre of your dealer.
– The BT Drive Free 311 meets the Bluetooth speci cation v2.1 + EDR. The
awless function between the BT Drive Free 311 and Bluetooth-ready cell
phones from di erent manufacturers and of di erent types cannot be
guaranteed since it depends on the compatibility.
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