![Icom iC-F5012 Instruction Manual Download Page 12](http://html1.mh-extra.com/html/icom/ic-f5012/ic-f5012_instruction-manual_4279674012.webp)
8
2
BASIC OPERATION
■
Call procedure
When your system employs tone signaling (excluding CTCSS
and DTCS), a call procedure may be necessary prior to voice
transmission. The tone signalling employed may be a selective
calling system which allows you to call only specific station(s)
and prevents unwanted stations from contacting you.
q
Select the desired TX code channel or 2/5-tone code, ac-
cording to your System Operator’s instructions.
• This may not be necessary, depending on the preprogram
-
ming.
• Refer to pages 9 and 10 for selection.
w
Push [Call] (assigned to one of the dealer programmable
keys).
e
After transmitting, the remainder of your communication
can be carried out in the normal fashion.
Selective calling
Non-selective calling
■
Receiving and transmitting
Receiving:
q
Hold down
[ ]
for 1 second to turn ON the power.
w
Push [CH Up] or [CH Down] to select a channel.
e
When receiving a call, rotate [VOL] to adjust the audio out-
put level to a comfortable listening level.
NOTE:
Depending on the preprogramming, the transceiver
automatically transmits the microphone audio for the specified
time period*, when a matched RX code signal is received.
• HM-148G or HM-152
hand
microphone
is required.
* Depending on the preprogramming. Ask your dealer for details.
Transmitting:
Wait for the channel to become clear to avoid interference.
q
Take the microphone OFF hook.
• The ‘audible’ condition is selected.
• A priority channel may be automatically selected.
w
Wait for the channel to become clear.
•
The channel is busy when the TX/RX indicator lights green.
e
While holding down [PTT], speak into the microphone at
your normal voice level.
r
Release [PTT] to return to receive.
IMPORTANT:
To maximize the readability of your signal;
1. Pause briefly after pushing [PTT].
2. Hold the microphone 5 to 10 cm from your mouth, then
speak into the microphone at a normal voice level.