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Beltpack Operation
Power/Local Headset Volume
You should now be ready to turn the beltpack
“ON”. Rotate the OFF/ON Volume Control Switch
on the beltpack clockwise to turn the unit on.
Figure 42
Off/On Volume Control Switch
Battery Check
As you rotate the OFF/ON volume control knob
clockwise to turn the unit on, note that the battery
LED (Labeled “BAT/O.M.”) should flash one time
on good batteries. Poor batteries will cause the LED
to be illuminated continuously and a bad or unus-
able battery will not cause any illumination at all.
Figure 43
Low Battery and Overmodulation Indicator
LED
Push-to-Talk/Lock-to-Talk
To enable the talk function on the beltpack press
and hold down on the talk button and begin talking.
Releasing the talk button will discontinue the mi-
crophone audio. For continuous talk, quickly press
and release the talk button. This locks on the talk
function. To release the talk function press and re-
lease the talk button once.
NOTE: The talk LED will be illuminated whenever
the talk function is activated.
Figure 44
Push-to-Talk/Lock-to-Talk Switch
Microphone Gain
The microphone gain of the beltpack’s headset may
need to be adjusted for various audio conditions.
The Battery/Overmodulation (O.M.) LED will flash
red when Mic Gain is too high and will need to be
turned down. If the LED does not flash red at all,
and the audio from the unit sounds low, then the
gain may need to be turned up. The gain should be
adjusted so the LED flashes red only on loudest
speech.
Using the plastic screwdriver (supplied), adjust the
control appropriately. Note that the volume heard
can also be adjusted by changing the spacing be-
tween the microphone and your mouth.
-23-
ON
VOLUME
TALK
AUDIO
CHANNEL
1
2
BAT/ TALK
O.M.
O
F
F
ON/OFF SWITCH AND VOLUME CONTROL
ON
VOLUME
TALK
AUDIO
CHANNEL
1
2
BAT/ TALK
O.M.
O
F
F
LOW BATTERY AND OVERMODULATION
INDICATOR LED
ON
VOLUME
TALK
AUDIO
CHANNEL
1
2
BAT/ TALK
O.M.
O
F
F
PUSH-TO-TALK / LOCK-TO-TALK SWITCH