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Charging the battery
The BT Drive Free 311 is operated with a rechargeable battery. Charge the
battery completely before its fi rst use. Read the section "Battery information"
before starting the charging process.
Connect the BT Drive Free 311 with the vehicle charging adapter via the
USB cable. Connect the vehicle charging adapter with the cigarette lighter.
The BT Drive Free 311 can also be charged with the USB cable connected to
the computer.
During the charging process, the display shows "Charging". The complete
charging of the battery takes approx. 3 hours. If "Battery Full" is displayed,
the battery is fully charged and the BT Drive Free 311 must be disconnected
from the charger.
A completely charged battery supports a talk time of up to 10 hours and a
standby time of up to 480 hours. In case of a weak battery, the display shows
"Battery Low" and you will hear a voice announcement every 30 seconds. If
the battery charge becomes too low, the BT Drive Free 311 automatically
switches off .
Switching on/off
Switching on
To switch the device on, hold the MF button pressed for 3 seconds until the
display shows "Welcome" and a voice announcement is heard. After switching
on, the BT Drive Free 311 automatically connects with the last connected cell
phone. As soon as the connection is established, the name of the cell phone
is briefl y shown on the display and you hear a voice announcement. Next,
the BT Drive Free 311 changes to standby mode.
