Clear-Com ICS-22 User Manual
Page 22
Vitec Group Communications
ICS-22 Speaker Panel Instruction Manual
4 - 2
System feedback
(acoustical).
1. The intercom-level
control at this panel or
another panel is set
too high.
2. The sidetone control
at the panel or another
panel is incorrectly
adjusted.
3. A headset extension
cord was used.
1. Adjust.
2. Adjust (see Figure
1-1 on page 1-2).
3. Remove the
extension cord
because its use is not
recommended.
VOX problems.
1. VOX stays tripped
(red light on); the
sensitivity is set too
high.
2. VOX will not trip
when speaking (green
light on); the sensitivity
is set too low.
1. Turn the VOX
sensitivity control
counterclockwise.
2. Turn the VOX
sensitivity control
clockwise.
The program signal
sounds distorted.
1. The program-level
control is set too high.
2. The program-input
circuit is overloaded.
1. Turn the
program-level control
counterclockwise.
2. Reduce the gain of
the program signal at
the source, such as an
audio mixer.
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
• System feedback can
have three different
causes.
• VOX problems can
be caused by
incorrect sensitivity
settings.
• Note: VOX is
intended for close-in
operation.