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 : 1 may damage 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.
2.Turn the unit ON by rotating the Vo- lume Control clockwise.
3.Set the Channel Selector Switch to the desired channel.
4.Set the Volume Control to a comfort- able listening level.
1.Be sure the operator has read and understands D.O.C. Rulesand Regul- ations prior to operating the trans- mitter.
2.Select the desired channel.
3.If the channel is clear, depress the
PREVENTIVE MAINTENANCE
5.Listen to the background noise from
the speaker. Turn the Squelch Con- At sixto twelve month inteNals, the fol- trol slowly clockwise until the noise, lowing system checks should be made: JUSTdisappears (no signal should be
present). Leave the control at this 1. Check Standing Wave Ratio (SWR). setting. The SQUELCHis now prop-
erly adjusted. The receiver will re- 2. Inspect all electrical connections to
main quiet until a signal is actually re- |
| ensure that they are tight. | |
ceived. Do not advance the control |
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too far, or some of the weaker signals 3. | Inspect antenna coaxial cable for | ||
will not be heard. |
| wear or breaks on shielding. | |
OPERATING | PROCEDURE TO | 4. | Inspect all screws and other mount- |
TRANSMIT |
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| ing hardware for tightness. |
CAUTION: The | transceiver Voltage |
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Standing Wave Ratio (V.S.W.R.)mea-