Sennheiser DW Office Instructions for use - Page 23

Using the headset system 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: Talk time/standby time 12 hours 8 hours 4 days Mode narrowband mode (see page 21) wideband mode (see page 21) standby mode 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: LED segment* Battery charge Required charging time 1 3 2 3 0-25% 25-50% 50-75% approx. 10 min approx. 10 min approx. 20 min total: approx. 60 min 4 75-100% approx. 20 min * 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. If the headset is outside the range of the base station, it will switch off after 30 minutes in order to conserve battery power. 22