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-
o ff” 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.
The degree of
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 counter-clockwise
position past click, the transceiver is
converted into PA [Public Address]
mode.
[5] CHANNEL SELECTOR SWITCH
Rotary switch selects one of 40
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 the switch in Hi
(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 output when
transmitting.
REAR PANEL
4
Содержание M580
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