If A Problem Occurs - Sennheiser HMEC 460 Instructions For Use Manual

If a problem occurs...

Problem
No active noise The NoiseGard
compensation electronics are switched
off.
The batteries/
rechargeable batteries
are low.
The XLR-3 plug is
not connected to the
power source.
The aircraft fuse is
defective.
Possible cause
Set the NoiseGard ON/OFF switch to
"ON".
Check to see if the LED is lit yellow.
If the LED is lit red, replace the
batteries/rechargeable batteries.
Connect the XLR-3 plug to the power
source.
Replace the aircraft fuse.
Possible solution
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