18
• Are several microphones being
used in close proximity?
→ Move the microphone further
away.
• Is the microphone in use in a loca-
tion very close to the infrared sen-
sor?
→ Move the microphone further
away.
• Are there any other infrared devices
or noise sources in use nearby?
→ Reduce the distance between
microphone and infrared sen-
sor.
• Are the battery contacts/poles dirty?
→ Clean the battery contacts/
poles.
• Is the transmitting channel of he
microphone matched to the receiv-
ing channel of the receiver?
→ Set the transmitting channel of
the microphone to a receiving
channel of the receiver used.
• Is the channel select switch in a
position where it has firmly clicked
into place?
→ Check the position of the chan-
nel select switch.
Interference
Continuous noise
No reception at all
(No audio output from
the receiver, or reception
indicator does not
respond)
Symptom
Ref. pagesCause/solution
5
5
5
4
10
10
• Is more than one microphone
assigned to the same channel?
• Assign a channel (frequency) that is
not used by another microphone.
10
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