Sennheiser HMEC 461, Инструкция по эксплуатации, Страница: 13 / 24

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The operating time with batteries/rechargeable batteries
is approx. 100 hours.
With NoiseGard™ switched on (see page 10), the LED
provides information on the remaining battery/recharge-
able battery capacity.
LED lights up yellow: The battery capacity is suffi-
cient.
LED lights up red: The batteries are flat. Replace
the batteries.
Activating the “auto shut-off” function
The battery-saving “auto shut-off” function automati-
cally switches the NoiseGard™ electronics off when the
headset is disconnected from the audio system or when
the aircraft avionics are switched off. The headset is
delivered ex-works with the “auto shut-off” function
deactivated. You can activate “auto shut-off” as follows:
왘
Set the switch to the position ASO .