Icom ID-51A PLUS Instruction Manual - Page 44

BASIC OPERATION, ■Receiving, ■Dualwatch operation

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4 BASIC OPERATION ■■Receiving qqSelect the Main band. (p. 32) • A band or B band are selectable. wwSelect the operating band. (p. 33) • Air , 144 MHz or 430 MHz bands are selectable. eeSelect the operating mode. (p. 34) • AM, FM, FM-N and DV modes are selectable. rrSet the operating frequency. (p. 34) ttSet the Squelch level. (p. 35) ■■Dualwatch operation Dualwatch operation simultaneously monitors two frequencies. The ID-51A/E has two independent receiver circuits, A band and B band. Depending on the operating band or mode, the SUB band audio signal is muted. In such case, " " appears. During the Dualwatch operation, the audio output may be in- terrupted when the frequency is switched while scanning, or by other factors. Frequency range on the A/B bands: 108.000 MHz to 174.000 MHz 380.000 MHz to 479.000 MHz • Some frequency ranges are blocked for the U.S.A. and Australian versions by regulation. 31 ❍ SUB band mute status MAIN band DV mode FM-N mode AIR band SUB band DV mode FM-N mode DV mode FM-N mode AIR band Example: MAIN band is FM-N mode. SUB band is DV mode. MAIN band SUB band Appears when the SUB band audio signal is muted.

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31
BASIC OPERATION
4
Frequency range on the A/B bands:
108.000 MHz to 174.000 MHz
380.000 MHz to 479.000 MHz
• Some frequency ranges are blocked for the U.S.A. and Australian
versions by regulation.
Receiving
■
q
Select the Main band. (p. 32)
• A band or B band are selectable.
w
Select the operating band. (p. 33)
• Air , 144 MHz or 430 MHz bands are selectable.
e
Select the operating mode. (p. 34)
• AM, FM, FM-N and DV modes are selectable.
r
Set the operating frequency. (p. 34)
Set the Squelch level.
t
(p. 35)
■
Dualwatch operation
Dualwatch operation simultaneously monitors two frequencies.
The ID-51A/E has two independent receiver circuits, A band
and B band.
Depending on the operating band or mode, the SUB band
audio signal is muted. In such case, “
” appears.
During the Dualwatch operation, the audio output may be in-
terrupted when the frequency is switched while scanning, or
by other factors.
❍
SUB band mute status
MAIN band
SUB band
DV mode
DV mode
FM-N mode
FM-N mode
DV mode
FM-N mode
AIR band
AIR band
Appears when the
SUB band audio
signal is muted.
MAIN band
SUB band
Example: MAIN band is FM-N mode.
SUB band is DV mode.