Switch On Or Off - Nokia HF-300 Guía De Usuario

If you use a charger that is connected to the cigarette lighter socket, power
must be supplied by a 12-volt car battery. Ensure that the charger is properly
inserted in the cigarette lighter socket and does not interfere with the
normal operation of the car. In some car models, the cigarette lighter socket
is powered by the car battery even when you remove the ignition key. In
those cases, the car battery might be discharged even if the speakerphone
is not used. Contact the vehicle manufacturer for more information.
The red indicator light is continuously on while charging. It may take a
while before charging starts. If charging does not start, disconnect the
charger, plug it in again, and retry. Charging the battery fully may take
up to 2 hours and 30 minutes.
3. When the battery is fully charged, the red indicator light turns green.
Disconnect the charger from the speakerphone and the power source.
The fully charged battery has power for up to 20 hours of talk time or up to
240 hours of standby time. However, the times may vary when used with different
compatible Bluetooth devices, usage settings, usage styles, and environments.
When battery power is low, the red indicator light flashes slowly.

■ Switch on or off

To switch on, press and hold the power key until the speakerphone beeps
and the green indicator light turns on. The indicator light flashes when the
speakerphone tries to connect to a paired device. When the speakerphone is
connected to a paired device and is ready for use, the blue indicator lights are
displayed.
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