User`s guide

Examples: Not exiting phone mode after a call (radio
cannot receive fleet or subfleet calls), transmitting in
receive-only conventional mode, trying to select a dynamic
mode when no dynamic ID assignment has been made.
ALERT TONES
Type of Tone Name Explanation
1 Low-Pitched
Tone
Invalid Key
Alert
Feature button
pressed is not valid
in selected mode, or
a Call Alert or
emergency alarm
was not
acknowledged.
1 High-Pitched
Tone
Central
Acknowledge
or Valid Key
Central controller
has received request
for Call Alert or
emergency alarm
transmission.
You pressed a valid
key.
4 High-Pitched
Tones
Dispatcher or
Mobile Unit
Acknowledge
Dispatcher is
acknowledging your
emergency
transmission. Mobile
unit has received
your Call Alert.
5 High-Pitched
Tones
The above two
acknowledge tones,
heard in tandem.
2 High-Pitched
Tones
Private
Conversation
You have an
incoming call. Press
Call, then the PTT
button, then talk.
4 High-Pitched
Tones every 6
seconds
Call Alert Page Call Alert page has
been received.
Phone-Type
Busy Tone
(when pressing
the PTT button)
System Busy All system radio
channels in use.
Release the PTT
button, and wait for
callback.
2 Short High-
Tones (after
requesting a
busy channel)
upon pressing
the PTT button)
Automatic Call
Back or Talk
Permit
Channel is available
for previously
requested
transmission.
System is accepting
your transmission.
Low-Pitched
Tone (upon
pressing the
PTT button
during Transmit)
(Operation
Error)
Talk Prohibit/
Out-of-Range
or Time-Out
Timer or Illegal
Mode
Out of trunked radio
system range or
system is out of
service.
Present transmission
will soon be disabled.
You have entered a
mode where normal
system traffic will be
missed, or you
attempted something
that is not allowed.
(See examples
below.)
High-Pitched
Tone every 10
seconds in
unmuted receive
condition
Failsoft System central
controller failure. The
radio reverts from
trunked operation to
operation similar to a
conventional
repeater.
Others may share
the channel.
ALERT TONES (Continued)
Type of Tone Name Explanation