Major M580 Manuel d'instruction - Page 7

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the antenna and power source are con

nected. If y ou hâve not already done so,

plug in the microphone.

RECEIVING

1. Rotate the Squelch control 4) to

about 9 o 'clock position initially.

2. Select the AM or FM mode by the

AM-FM switch 7), as y ou desire.

3. Select desired chnnel by both the Hi-

Lo Band switch 2) and the Channel

selector switch 5) as indicated by the

LED digital readout.

4. Set the NB + ANL Switch 8) to the

OFF position initially.

5. Rotate the RF Gain control 2) to

maximum [fully clockwise].

6. Rotate the Volume/On-Off control 3)

clockwise to apply power to the trans-

ceiver.

Since the transceiver is fully transistor-

ized, operation will be instantaneous.

Continue rotating the Volume/On-Off

control clockwise to provide a com-

fortable listening level.

TRANSMITTING

WARNING:

NEVER ATTEMPT TO

TRANSMIT WITHOUT AN ANTENNA

OR LO AD.

Tо transmit, simply depress the push-to-

talk bar on the microphone. The TX In-

dicator Light 6) will corne on as y ou

depress the push-to-talk bar.

microphone

3 to 4 inches from the

mouth and slightly to one side so that the

voice does not project directly into the

microphone.

Speak at a normal level —

there is no need to shout. A designed

feature of this transceiver is that high

average

modulation

easily at normal voice levels.

PA [PUBLIC ADDRESS]

OPERATION

For PA operation, y ou should use an ex-

ternal 8 to 16 ohm speaker connected to

the "PA" jack [located at the rear of the

transceiver] . The recommended plug for

the "PA" jack is a subminiature phone

plug.

To set the transceiver to the PA

mode, set the Squelch control to the füll

counter-clockwise position (past click),

then press the push-to-talk bar on the

microphone and talk into it — your voice

will be hear through the PA speaker.

Tо reduce acoustic feedback when the PA

speaker is mounted on a car or truck, y ou

may hâve to close the vehicle Windows, or

reduce the volume as necessary to stop

any feedback that may occur.

Hold the

can be achieved