HomeTech BVR-20 operation manual There is hum in the audio signal

ACTIVE-BALANCED SERIES

“There is hum in the audio signal.”

1.Verify that the Cat-5 cable is properly terminated on both ends.

2.Make certain that the system is wired with twisted-pair cabling.

3.Make certain there is not a cut in the wiring allowing a conductor to short to ground (i.e. shield, conduit, cold water pipe, plenum).

4.If it is being used, make sure the shield wire is con- nected only at the receiving end.

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