Icom IC-F521 Instruction Manual - Receiving and Transmitting
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Receiving and transmitting
RECEIVING:
q
Push [POWER] to turn the power ON.
w
Push
[CH UP] or [CH DN] to select a channel.
e
When recevng a call, adjust the audo output level to a
comfortable lstenng level.
TRANSMITTING:
q
Take the mcrophone off hook.
• A prorty channel may be selected automatcally.
w
Wat for the channel to become clear.
• The channel s busy when “
” appears.
e
Push the
[CALL] key when ntatng a call from your sde.
• Coded audo may be heard from the transcever, then “
” ap-
pears.
• Ths operaton may not be necessary dependng on your sgnal-
ng system. Ask your Dealer.
r
Whle pushng and holdng [PTT], speak nto the mcro-
phone at your normal voce level.
t
Release [PTT] to receve.
IMPORTANT:
To maxmze the readablty of your sgnal:
(1) Pause brefly after pushng [PTT]
(2) Hold the mcrophone 2 to 5 cm from your mouth, then
speak nto the mcrophone at a normal voce level.
D Transmitting notes
• Transmit inhibit function
The transcever has several nhbt functons whch restrct
transmsson under the followng condtons:
- The channel s n mute condton (‘Inaudble’ condton; “
”
does not appear).
- Channel s busy.
- No matched (or matched) CTCSS s receved.
- The selected channel s a ‘receve only’ channel.
• Time-out timer
After contnuous transmsson for a pre-programmed perod,
the tme-out tmer s actvated causng the transcever to stop
transmttng and automatcally select receve.
• Penalty timer
Once the tme-out tmer s actvated, transmsson s further
nhbted for a perod determned by the penalty tmer.
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2
OPERATION