5
BASIC OPERATION
5-4
■ Dualwatch operation (Continued)
D Audio mute during Dualwatch operation
Dualwatch operation simultaneously monitors two fre-
quencies.
The ID-51A/E has two independent receiver circuits, A
band and B band.
Depending on the operating band or mode, as shown
to the right, the SUB band audio signal is muted. In
such case, “ ” appears.
During Dualwatch operation, the audio output may be
interrupted when the frequency is changed while scan-
ning, 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
A/B band selection in the DR screen
The DR screen can be displayed on A band (upper)
or B band (lower).
When the DR screen is displayed on A band, and the
DR screen is selected in B band, the previously dis-
played frequency or memory before entering the DR
screen is displayed on A band.
• Display image of the DR screen
DR screen
A band
B band
A band
B band
Appears when the SUB band
audio signal is muted.
MAIN band
SUB band
Example: MAIN band is in the FM-N mode.
SUB band is in the DV mode.
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