Operation
11
Powering NoiseGard via two (rechargeable) batteries
̈ Insert two 1.5 V AA alkaline batteries (IEC LR 6) or two
1.2
V AA rechargeable batteries (IEC LR 6). Observe
correct polarity when inserting the batteries.
The operating time with batteries/rechargeable batteries
is approx. 60 hours. With NoiseGard switched on, the
LED
2 provides information on the remaining battery/
rechargeable battery capacity:
LED 2
Meaning
lights up yellow The battery capacity is sufficient.
lights up red The batteries are flat. Replace the batteries.