Major M580 Instruction Manual - Page 4

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сап select channels 41 through 80.

Each channel sélection is made with

the channel selector (5).

[3] VOLUME/ON-OFF

Varies the Sound output from the

speaker.

Also incorporâtes an "on-

off" power switch at the extreme

counter-clockwise position.

[4] SQUELCH CONTROL/РА SWITCH

This control is used to eliminate any

annoying background noise when no

signais are present.

sensitivity to incoming signais is ad-

justable.

When the Squelch control

is rotated to the fully clockwise

position, it provides maximum squ

elch; in the fully counter-clockwise

position, it provides minimum squ

elch.

In fully

position past click, the transceiver is

converted into PA [Public Address]

mode.

[5] CHANNEL SELECTOR SWITCH

Rotary switch selects one of 40

REAR PANEL

The degree of

counter-clockwise

channels for both the high band and

low band.

Channels 1 through 40

are obtained with the Hi-Lo Band

switch in Lo (depressed) position,

then channels 41 through 80 are

obtained

with

(released) position.

[6] TX INDICATOR

Lights up in the transmit mode.

[7] AM-FM SWITCH

Permits you to select the mode of

operation, AM or FM.

[8] NB + ANL SWITCH

Selects standard ANL and special RF

noise silencing circuit to combat

ignition noise simultaneously.

[9] S-PRF METER

2-function meter indicates relative

incoming signal strength in "S" units

on upper scale when receiving, lower

scalę marked POWER indicates the

relative RF

power

transmitting.

the

switch in Hi

output when