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displayed to show the current operating status of the
radio.
FCN Indicates an extended function is currently
being selected.
PWR Indicates the transmitter is active.
SERV Indicates the radio is in the range of a
system and the control channel is
available.
Indicates the radio is receiving a signal on
the selected channel or group.
(IN USE)
A Indicates the radio is configured to notify
the user via an external alarm that an
individual call has been received.
B Not used.
▲▲
Indicates the radio’s keypad is locked.
Mute icon - indicates the radio has the
transmit audio disabled (only valid during
duplex operation).
ALERT TONES
The Allegra Duplex radio generates a set of
unique alert tones to indicate operating status. The
following section identifies and describes the alert
tones used in the Allegra Duplex radio for EDACS
applications.
EDACS APPLICATIONS
CALL ORIGINATE ALERT
If programmed, a short tone is
sounded whenever the
P
PT button
or
key is pressed and the radio has
acquired a channel. This tone
indicates the user may begin
communications.