Transmitting Notes - Icom IC-440N Instruction Manual

Uhf transceiver
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3
BASIC OPERATION
Receiving and transmitting (Continued)
Transmitting:
Wait for the channel to become clear to avoid interference.
q Hold down [PTT] and speak into the microphone at a nor-
mal voice level.
• When transmitting, " " appears.
• A PTT hold function is available. See page 38 for details.
w
Release
[PTT] to receive.
e
Push
LOW
(RF Power)
sary.
• "LOW" appears when low power is selected.
[PTT]
IMPORTANT:
To maximize the readability of your signal;
1. Pause briefl y after pushing [PTT]. This will ensure the
fi rst part of your message is not cut off.
2. Hold the microphone 5 to 10 cm from your mouth.
16
to select the output power if neces-
PRIO
SCAN
SET P
TAG
LOW
O G P
RS
CH
SQL
D

Transmitting notes

• Transmit inhibit function
The transceiver has several inhibit functions which restrict
transmission under the following conditions:
- The channel is busy or an un-matched CTCSS/DTCS is
received. (Depending on the transmission lockout func-
tion setting.)
- The selected channel is a 'receive only' channel.
• Time-out timer
After a continuous transmission (i.e. continually holding down
[PTT]), a time-out timer will be activated, causing the trans-
ceiver to stop transmitting. In this case, the transceiver will
automatically revert to receive.

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