Ranger Communications TR-127GK/DX, Service Manual

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2.2 MICROPHONE
The push-to-talk switch on the microphone controls the receiver and transmitter. Press the switch and
the transmitter is activated, release switch to receive. When transmitting, hold the microphone two
inches from your mouth and speak clearly in a normal voice. This transceiver comes complete with a
low impedance dynamic microphone.
2.3 OPERATION
2.3.1 PROCEDURE TO RECEIVE
1. Be sure that the power source, microphone and antenna are connected to the proper connectors
before going to the next step.
2. Turn
VOL knob clockwise to apply power to the radio.
3. Set the
VOL to a comfortable listening level.
4. Set the
MODE switch to the desired mode.
5. Listen to the background noise from the speaker. Turn the
SQUELCH knob slowly clockwise until
the noise just disappears. The SQUELCH is now properly adjusted. The receiver will remain quiet
until a signal is actually received. Do not advance the control too far or some of weaker signals will
not be heard.
6. Set the
CHANNEL selector switch to the desired channel.
7. Set the
RF GAIN control fully clockwise for maximum RF gain.
8. Adjust the
CLARIFY control to optimize AM signals.
2.3.2 PROCEDURE TO TRANSMIT
1. Select the desired channel of transmission
2. Set the
MIC GAIN control fully clockwise.
3. If the channel is clear, depress the push-to-talk switch on the microphone and speak in a normal
voice.