Call Procedure; Receiving And Transmitting - Icom IC-F5020 Series Insrtuction Manual

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
specific station(s) only and prevents unwanted stations from
contacting you.
q Select the desired TX code channel, 2/5-tone code ac-
cording to your System Operator's instructions.
• This may not be necessary depending on programming.
• Refer to pages 9–10 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
8
Non-selective calling

■ Receiving and transmitting

Receiving:
q Push and hold [ ] for 1 sec. to turn the power ON.
w Push [CH Up] or [CH Down] to select a channel, in se-
quence.
e When receiving a call, rotate [VOL] to adjust the audio out-
put level to a comfortable listening level.
NOTE: Depending on the pre-setting, the transceiver auto-
matically transmits the microphone audio for the specified
time period* when a matched RX code signal is received.
• HM-148G or HM-152
hand microphone
* Depending on the pre-setting. 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 selected automatically.
w Wait for the channel to become clear.
• The channel is busy when BUSY indicator appears on the LCD.
e While pushing and holding [PTT], speak into the micro-
phone 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 (2 to 4 inches) from
your mouth, then speak into the microphone at a normal
voice level.
is required.