Motorola ASTRO XTL 2500 User Manual page 160

Digital mobile radio with m5 control head
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ALERT TONES
Type of Tone
Name
1 Low-Pitched
Invalid Key Alert Feature button
Tone
1 High-Pitched
Central
Tone
Acknowledge or
Valid Key
4 High-Pitched
Dispatcher or
Tones
Mobile Unit
Acknowledge
5 High-Pitched
Tones
2 High-Pitched
Private
Tones
Conversation
4 High-Pitched
Call Alert Page
Tones every 6
seconds
Phone-Type
System Busy
Busy Tone
(when pressing
the PTT button)
ALERT TONES (Continued)
Explanation
Type of Tone
A series of low-
pressed is not valid
pitched tones
in selected mode, or
followed by a
a Call Alert or
series of high-
emergency alarm
pitched tones.
was not
acknowledged.
A series of high-
Central controller
pitched tones
has received
followed by a
request for Call Alert
series of low-
or emergency alarm
pitched tones.
transmission.
You pressed a valid
key.
Unique chirping
Dispatcher is
sound
acknowledging your
emergency
Unique, low-
transmission.
pitched chirping
Mobile unit has
sound
received your Call
Alert.
Unique, high-
pitched chirping
The above two
sound
acknowledge tones,
heard in tandem.
2 Short High-
Tones (after
You have an
requesting a
incoming call. Press
busy channel)
Call, then the PTT
upon pressing
button, then talk.
the PTT button)
Call Alert page has
been received.
All system radio
channels in use.
Release the PTT
button, and wait for
callback.
Name
Explanation
Scan Alert On
Indicates that Scan
feature is activated
through the pre-
programmed button
or 3-Position Rotary
Switch.
Scan Alert Off
Indicates that Scan
feature is
deactivated through
the pre-
programmed button
or 3-Position Rotary
Switch.
Dynamic
Indicates that a
Reprogramming
dynamic ID is
assigned.
New Message
Indicates the arrival
of a new mesage.
Priority
Indicates the arrival
Message
of a priority
message.
Automatic Call
Channel is available
Back or Talk
for previously
Permit
requested
transmission.
System is accepting
your transmission.
ALERT TONES (Continued)
Type of Tone
Name
Low-Pitched
Talk Prohibit/
Tone (upon
Out-of-Range or
pressing the
Time-Out Timer
PTT button
or Illegal Mode
during Transmit)
(Operation
Error)
High-Pitched
Failsoft
Tone every 10
seconds in
unmuted receive
condition
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.
Explanation
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.)
System central
controller failure.
The radio reverts
from trunked
operation to
operation similar to
a conventional
repeater.
Others may share
the channel.

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