Sennheiser 504302 - Manual (Page 23)

Using the headset system
22
Using the headset system
Charging the headset rechargeable battery
If you charge the rechargeable battery for the first time, allow charging for
at least 20 minutes without interruption. A complete charging process
takes about 60 minutes. You can interrupt charging at any time without
damaging the rechargeable battery.
Operating time with a fully charged rechargeable battery:
To charge the headset rechargeable battery:
̈
Place the headset into the magnetic holder of the base station.
The HEADSET LED
ቤ
lights up blue and the CHARGE STATUS LED
´
indicates the battery charge:
* during charging, each segment gets brighter in 5 steps
To stop the charging process:
̈
Take the headset out of the base station.
The CHARGE STATUS LED
´
indicates the remaining battery charge of
the headset.
When the battery is about to run flat ...
... only the LED segment 1 lights up weakly or flashes (see page 9).
... the HEADSET LED
ቤ
flashes red.
... you hear a low battery warning (three beeps)in the headset.
... you have several minutes of battery reserve.
When the battery is flat, the headset switches off.
Talk time/standby time Mode
12 hours narrowband mode (see page 21)
8 hours wideband mode (see page 21)
4 days standby mode
´
3
LED segment* Battery charge Required charging time
1 0-25% approx. 10 min
2 25-50% approx. 10 min
3 50-75% approx. 20 min
4 75-100% approx. 20 min
If the headset is outside the range of the base station, it will switch
off after 30 minutes in order to conserve battery power.
total:
approx.
60 min