Service manual

2
Operating Manual Reprint
CONTROLS & CONNECTORS
40 channel version4 channel version
À
Microphone Jack
Connect the microphone plug to this jack.
Á
MONI Button & Indicator
This button selects the “squelch” (receiver mute) mode.
When the yellow indicator is off, “tone” or “coded” squelch
is active. When the indicator glows steadily, only “noise
squelch” is active, and any signal present on the channel
will be heard. When the indicator is blinking, the squelch is
disabled, and background noise will be heard if no signal is
present.
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A Button & Indicator
This button is provided for an ACCESSORY function such as
HIGH/LOW POWER selection, “TALK-AROUND”, or “CALL
ALERT” functions. The green “A” indicator will be illumi-
nated when this function is active.
Ã
VOLUME and POWER ON/OFF Knob
This knob adjusts the receiver volume, and turns the radio
off when turned all the way to the left into the click-stop.
Ä
TX/BUSY Indicator Lamp
This lamp blinks red when the channel is busy, and glows
steadily red during transmission. Do not transmit when this
indicator is blinking, as a courtesy to other users of the chan-
nel.
The following item is unique to the 4-channel
radio versions:
Å
CHANNEL Numbered Indicators & Button
Press the CHANNEL button to select the operating chan-
nel; the channel number currently in use will light up on the
display panel.
The following items are unique to the 40-channel
radio versions:
Æ
CHANNEL Selector Buttons (p) and (q)
Push one of these keys to select the operating channel, as
shown on the display.
Ç
Numeric Channel Display
This display area shows the channel number and priority-
channel/scan status.
È
SEL/PRI Button
This button is used to select a channel for “Priority” moni-
toring, and is used together with the SCAN button to select
the desired scanning mode.
É
SCAN Button
This button is used to activate scanning, to select or remove
channels on the scanning list, and (together with the SEL/
PRI button) to select scanning mode.
P Indicator
This small dot indicates Priority Channel status (described
later).
E Indicator
This small dot indicates Scanning on/off status (described
later).
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