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INTERCOM GAIN
If the audio volume at the intercom input is
too high, the light will be illuminated when
the person on the intercom is talking. De-
crease the gain until the light does not illumi-
nate while talking at normal volume.
Occasional flashing of the light is allowable.
See Figure 36.
Figure 36
Auxiliary Gain controls
AUXILIARY GAIN
If the audio volume at the auxiliary input, is
too high, the Aux light will be illuminated
when the person on the auxiliary is talking.
Decrease the auxiliary gain until the auxiliary
light does not illuminate while talking at nor-
mal volume. Occasional flashing of the auxil-
iary light is allowable. The auxiliary indicator
has three states: OFF, HALF BRIGHT, and
FULL BRIGHT. When the switch is ”OUT”,
the indicator is OFF. When the switch is “IN”
it becomes HALF BRIGHT, and when the in-
put is overmodulated it becomes FULL
BRIGHT.
SYSTEM WALK-THRU
Now that you have successfully “set up” your
RadioCom Wireless Intercom System and
turned on any auxiliary equipment you are
ready to test the overall performance by
“Walking” the RadioCom system through the
areas in which you will be using it.
Before you begin your walk-thru check the
following:
TR-300 Battery Check.
Set microphone gain in both the
TR-300 and the BTR-300
Check that the push-to-talk
switches are engaged in the
Lock-to-talk position and the light
is illuminated.
Portable units to be used are en-
abled at the Base.
The “system walk-thru” can detect problems
of weak signal strength caused by:
· Poor antenna location
· Wrong antenna for receiver and/or trans-
mitter.
· RF “Trouble Spots”
· Operating distance beyond system capability.
· Old or used batteries in the TR-300
Under normal conditions the Portable Trans-
mit On lights on the BTR-300 should always
be lit when portables are transmitting. “Weak
Signal” conditions will result in flashing of
the Transmit light.
In 99% of all instances you will set up your
RadioCom Wireless Intercom System, walk it
through and achieve error-free performance. If
in the rare instance your RadioCom System
does not “pass” during your walk-thru evalu-
ation, refer to the last section of this manual
which deals with system troubleshooting.
-29-
Ext Intercom Aux Audio
OVERMODULATION
INDICATORS