Receive; Transmit - Icom IC-F30 Instruction Manual

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DEALER-PROGRAMMABLE FUNCTIONS
• Receive • Transmit
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MONITOR FUNCTION
This function allows you to open the transceiver's squelch
manually to check whether a channel is busy or not. The
transceiver has 2 squelch systems as follows.
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OUTPUT POWER SELECTION
Push [P] momentarily to change the power output.
• "LOW" appears when one of the low output powers is selected.
• Push and hold [P) for 2 sec. to return to the original power output.
• On some channels, high power
cannot
be selected.
.. Push [Pl to turn off the tone squelch for reception of all sig-
nals (even those not directed to you specifically).
.. Push and hold [P] for 2 sec. or more to monitor all signals
(or noise) regardless of the active squelch system.
• After releasing [P), tone squelch is activated.
Tone squelch: The squelch mutes all signals except
V
those directed to you. Therefore, you
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should check a channel's condition
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only signals
(busy or not) with the monitor function
containing
before transmitting.
the proper
tone are
received
Manual transmission:
Push digit keys while pushing [PTT].
• Pushing [PIT] may not be necessary depending on programming.
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• See Channel Selection, p. 3.
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DTMF TRANSMISSION
This allows you to send pre-programmed DTMF codes to
control a repeater, open another transceiver's squelch, etc.
Automatic pre-programmed transmission:
.. KEYPAD ENTRY TYPE*:
keypad entry
Push [Pl, then a digit key
(1 to 8).
.. ROTARY SEL TYPE*:
channel selector
Set the channel selector
(1 to 8), then push [P].
The squelch mutes audio only when
no carrier is present. You can receive
(or monitor) any signals on a channel.
Noise squelch:
~ /
:-'---.
c::5
all signals
are
received
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