KB-702/KB-702GM TWO-CHANNEL SPEAKER STATIONS
3-4
Will not trip with voice. Sensitivity set
too low.
Tu r n VOX sensitivity control in a
clockwise direction.
Note: VOX is intended for close-in
operation.
Excessive crosstalk High DC resistance has a ground
return.
Use heavier cable; add additional
conductor(s) to ground return. If the
cable run is exceptionally long,
consider adding and using the
EB7-4W four-wire option module.
Multi-channel cable pairs are not
individually shielded.
Replace cable with individually
shielded pairs.
Headset cables are not wired properly
or shielded properly.
Correct wiring. Use headsets with
properly shielded wiring. Refer to the
chapter “Operation.”
Program signal sounds distorted. Program level control set too high. Turn the program level control
counter-clockwise.
Overload of program input circuit. Reduce the gain of the program signal
at the source, such as an audio mixer.
Call signal does not function. Excessive DC loading of intercom
line.
Remove any audio transformers or
other equipment that may be
connected across the intercom line. If
equipment other than Clear-Com
intercom equipment must be
connected to the intercom line, please
contact Clear-Com application or
service personnel for information or
recommendations.
Far too many terminations on the
intercom line.
Check all main stations and power
supplies to make sure each intercom
channel is terminated at only one
point.
Plug P1 missing on circuit board. Plug P1 must be installed in jack J1 if
the EB7-4W or EB7-TW options are
not used.
SYMPTOM CAUSE SOLUTION
