Icom IC-M424 Instruction Manual - Page 21

Information, NOTE for the TOT Time-out Timer function, IMPORTANT

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Page 21 highlights

✓✓ Information The Noise Cancel function reduces random noise components in the transmit and/or receive signal. See page 80 for details. Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT be lawfully used by the general public in U.S.A. waters. IMPORTANT: To maximize the readability of your transmitted signal, pause a few seconds after pushing [PTT], hold the microphone 5 to 10 cm (2 to 4 inches) from your mouth and speak at a normal voice level. ✓✓ NOTE for the TOT (Time-out Timer) function The TOT function inhibits continuous transmission beyond a preset time period after the transmission starts. 10 seconds before transmission is cutoff, a beep sounds to indicate the transmission will be shut down and "TOT" appears in the channel name field. Transmission is not possible for 10 seconds after this shut down. BASIC OPERATION 4 1 r u i Microphone 2 3 4 5 6 7 8 t y wq r y 9 10 11 12 13 14 15 16 12

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12
4
BASIC OPERATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
12
Information
✓
The Noise Cancel function reduces random noise components
in the transmit and/or receive signal. See page
80
for details.
Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT
be lawfully used by the general public in U.S.A. waters.
IMPORTANT:
To maximize the readability of your transmit-
ted signal, pause a few seconds after pushing [PTT], hold
the microphone 5 to 10 cm (2 to 4 inches) from your mouth
and speak at a normal voice level.
NOTE for the TOT (Time-out Timer) function
✓
The TOT function inhibits continuous transmission beyond a
preset time period after the transmission starts.
10 seconds before transmission is cutoff, a beep sounds
to
indicate the transmission will be shut down and “TOT” appears
in the channel name field. Transmission is not possible for 10
seconds after this shut down.
Microphone
t
y
q
w
i
u
r
y
r