User Manual

Presence Grey Bluetooth headset
PUTTING THE HEADSET INTO OPERATION 5
Putting the headset into operation
Charging the headset battery
!
WARNING
Danger of injury!
Wearing the headset when charging can cause burns and injuries.
Do not wear the headset when charging.
A complete charging cycle takes about 1 hour and 20 minutes. Before using the headset for the first time, charge the
rechargeable battery for a complete charging cycle without interruption.
1
OFF
2
Gently push the on/off power slide towards the
headset.
The voice prompt “power off” is announced in the
headset and the LED flashes red 3 times.
Connect the micro USB plug of the charging cable to
the USB socket of the headset.
3
*
4
1:20 h
Connect the USB plug of the charging cable to the USB
socket of your computer or a power supply unit (not
included).
The battery is being charged. The LED flashes
depending on the battery charge level. After 5 minutes,
the LED goes off.
Press the multi-function button to check the battery charge level.
When the battery is fully charged, the LED lights up blue constantly.
A charging time of ... corresponds to a talk time of ... LED flashes
approx. 10 minutes less than 1 hour
1x
approx. 20 minutes between 1 and 2 hours
1x
approx. 40 minutes between 2 and 4 hours
2x
approx. 80 minutes between 4 and 10 hours
3x
When the battery charge level drops below 15 minutes of talk time, the LED flashes red and the voice prompt
“recharge headset” is announced several times. When the battery is flat, the headset switches off automatically.
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