Receiving; Transmitting - Icom IC-A15S Instruction Manual

n Receiving
q Rotate [VOL] to turn the power ON.
w Push [SQLZ] several times to open the squelch.
• Select the squelch level 0.
e Rotate [VOL] to adjust the audio level.
r P ush [SQLY] several times until the noise is muted.
• " " indicator disappears.
t Set the desired frequency using [Y]/[Z] keys or keypad.
y When a signal is received on the set frequency:
• " " indicator appears.
• Squelch opens and audio is emitted from the speaker.
Appears when receiving a signal.
When squelch setting is too "tight" (large number setting),
squelch may not open for weak signals. To receive weaker
signals, loosen (small number setting) the squelch.
n Transmitting
NOTE: To prevent interference, listen on the frequency
before transmitting. If the frequency is busy, wait until the
channel is clear.
CAUTION: Transmitting without an antenna may damage
the transceiver.
q Set the desired frequency using [Y]/[Z] or keypad
(IC-A15 only).
w Push and hold [PTT] to transmit.
• " " indicator appears.
e Speak into the microphone at a normal voice level.
• DO NOT hold the transceiver too close to your mouth or speak
too loudly. This may distort the signal.
r Release [PTT] to return to receive.
NOTE: About Time-Out-Timer function
For the prevention of prolonged transmission, etc., ac-
cording to regulatory requirements, the IC-A15/S has a
Time-Out-Timer function. This timer cuts a transmission
OFF after the set time period of continuous transmission.
The time-out timer is specified in set mode. See page 23
for details.
[PTT]
Microphone
BASIC OPERATION
Appears while transmitting
3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
10