Hum
can be heard in the audio program.
•
Disconnect grounding LINK.
•
Check continuity of output cables
(particularly shields).
•
Disconnect shields on one end of
output cables. Connect grounding
LINK.
Radio Frequency Interference
can be heard in the audio program
(swishing sound or audio from a radio
transmitter).
Make sure that mic cables are of good
quality and that the shield is properly
connected. Avoid excessive length.
•
Make sure that earth ground con-
nection is maintained via the AC
power cord DO NOT use an isola-
tor.
•
Make sure the unit is located away
from known sources of radio fre-
quency energy.
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