Powering NoiseGard™ via two (rechargeable) batteries
Insert two 1.5 V AA alkaline batteries (IEC LR 6) or two
1.2VAArechargeablebatteries(IECLR6).Observecorrect polarity when inserting the batteries.
The operating time with batteries/rechargeable batteries is approx. 100 hours.
With NoiseGard™ switched on (see page 8), the LED provides information on the remaining battery/ rechargeable battery capacity.
LED lights up yellow: The battery capacity is sufficient.
LED lights up red: | The batteries are flat. |
| Replace the batteries. |
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