I C S - 2 4 H E A D S E T S T A T I O N
4 - 2
Hum or buzz in system.
Inductive pickup caused
by close proximity of
this headset station or
connected stations to
power lines or
transformers.
Relocate the offending
unit or wiring.
System feedback
(acoustical).
1. The intercom-level
control at this station or
another station is set too
high.
2. The sidetone control
at the station or another
station is incorrectly
adjusted.
3. A headset extension
cord was used.
1. Adjust.
2. Adjust (see Figure 1
on page 1-2).
3. Remove the
extension cord because
its use is not
recommended.
Rapid clicking noise.
1. Defective wiring or
connectors.
2. Defective IC1 on
710533 assembly.
1. Repair/replace wiring
or connectors.
2. Replace IC1.
SYMPTOM
CAUSE
SOLUTION
• Close proximity of the
station to power lines or
transformers can cause a
hum or buzz.
• System feedback can
have three different
causes.
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