7
Charging the battery
The BT Drive Free 411 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.
You have to remove the BT Drive Free 411 from the steering wheel for the
charging procedure. The charging socket is located at the side of the hous-
ing that rests against the steering wheel. Connect the BT Drive Free 411 with
the vehicle charging adapter via the USB cable. Insert the vehicle charging
adapter into the cigarette lighter of the vehicle. The BT Drive Free 411 can
also be charged with the USB cable connected to the computer.
Note:
As soon as the charger is connected, the BT Drive Free 411 switches off .
During the charging process, the MF button lights red. After the battery is
fully charged, the MF button lights blue. The charging process of the battery
lasts approx. 3 hours. Disconnect the BT Drive Free 411 from the charger after
it has been charged.
A completely charged battery supports a talk time of up to 7 hours and a
standby time of up to 300 hours. If the charge state of the battery becomes
low, the MF button fl ashes red every 3 seconds and you hear a warning beep
every 20 seconds.
