Galaxy DX−33HML Посібник користувача - Сторінка 5

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PRESS-TO-TALK MICROPHONE

The receiver and transmitter are controlled by the press-to-talk switch on the

microphone. Press the switch and the transmitter is activated, release switch to

receive. When transmitting, hold the microphone two inches from the mouth and

speak clearly in a normal "voice". The radios come complete with low-impedance

(500 ohm) dynamic microphone. For installation instruction on other microphones,

see next section, "ALTERNATE MICROPHONES AND INSTALLATION".

OPERATING PROCEDURE TO RECEIVE

1. Be sure that power source, microphone and antenna are connected to the

proper connectors before going to the next step.

2. Turn unit on by tuning VOL control clockwise on your transceiver.

3. Set the VOLUME for a comfortable listening level.

4. Set the MODE switch to the desire mode.

5. Listen to the background noise from the speaker. Turn the SQUELCH control

slowly clockwise until the noise JUST disappears (no signal should be

present). Leave the control at this setting. The SQUELCH is now properly

adjusted. The receive will remain quiet until a signal is actually received. Do

not advance the control too far, or some of the weaker signals will not be

heard.

6. Set CHANNEL selector switch to the desired channel.

7. Set the RF gain control fully clockwise for maximum RF gain.

OPERATING 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.

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Installation

LOCATION

Plan the location of the transceiver and microphone bracket before starting the

installation. Select a location that is convenient for operation and does not interfere

with the driver or passengers in the vehicles. In automobiles, the transceiver is

usually mounted below the dash panel, with the microphone bracket beside it.

MOUNTING THE CONNECTION

Your transceiver is supplied with a universal mounting bracket. When

mounting the bracket and radio to your car, make sure it is mechanically strong.

Also provide a good electrical connection to the chassis of the vehicle. Proceed as

follows to mount the transceiver:

1. After you have determined the most convenient location in your vehicle, hold

the transceiver with mounting bracket in the exact location desired. If nothing

will interfere with mounting it in the desired position, remove the mounting

bolts. Before drilling the holes, make sure nothing will interfere with the

installation of the mounting bolts.

2. Connect the antenna cable plug to the standard receptacle on the rear panel.

Most antennas are terminated with a type PL-259 plug and mate with the

receptacle.

3. Connect the red DC power input wire (with the fuse) to +13.8V DC. This wire

extends from the rear panel. In automatic installation, +13.8V DC is usually

obtained from the accessory contact on the ignition switch. This prevents the

set being left on accidentally when the driver leaves the car and also permits

operating the unit without the engine running. Locate the accessory contact on

most ignition switches by tracing the power wire from the AM broadcast

receiver in the car.

4. Connect the black lead to –13.8V DC. This is usually the chassis of the car.

Any convenient location with good electrical contact (remove paint) may be

used.

5. Mount the microphone bracket on the right side of the transceiver or near the

transceiver, using two screws supplied. When mounting in an automobile,

place the bracket under the dash so the microphone is readily accessible.

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