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OPERATION
OPERATING PROCEDURE TO surement must be performed prior to
RECEIVE the use of the transmitter. A.V.S.W.R.
in excess of 2 : 1maydamage the trans-
1. Be sure that the power source, an- mitter.
.
tenna and microphoneare connect-
ed to the proper connectors before
going to the next steps.
1. Be sure the operator has read and
understands D.O.C.Rulesand Regul-
ations prior to operating the trans-
2. Turnthe unit ON by rotating the Vo- mitter.
lume Control clockwise.
2. Select the desired channel.
3. Set the Channel Selector Switch to
the desired channel. 3. If the channel is clear, depress the
push-to-talk switch on the micro-
4. Set the Volume Control to a comfort- phone and speak in a normal voice.
able listening level.
5. Listen to the background noise from
the speaker. Turn the Squelch Con-
trol slowly clockwise until the noise,
JUSTdisappears (no signal should be
present). Leave the control at this
setting. The SQUELCHisnow prop-
erly adjusted. The receiver will re-
main quiet until a signal isactually re-
ceived. Do not advance the control
too far, or some of the weaker signals
will not be heard.
OPERATING
TRANSMIT
PROCEDURE
CAUTION: The transceiver Voltage
Standing Wave Ratio (V.S.W.R.)mea-
PREVENTIVE MAINTENANCE
At sixto twelve month inteNals, the fol-
lowing system checks should be made:
1. Check Standing Wave Ratio (SWR).
2. Inspect all electrical connections to
ensure that they are tight.
3. Inspect antenna coaxial cable for
wear or breaks on shielding.
TO 4. Inspect all screws and other mount-
ing hardware for tightness.
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