Additional Information
69
Alert Tones
Sound
Tone Name Occurs:
Invalid Key-Press when the wrong key is pressed
Radio Self-Test
Fail
when the radio fails its power-up self
test
Short,
Low-Pitched
Tone
No ACK Received
when the radio fails to receive an
acknowledgement from the
dispatcher
Reject
when an unauthorized request is
made
Time-Out Timer
Warning
four seconds before time out
Time-Out Timer
Timed Out
after time out
Talk Prohibit/
PTT Inhibit
when the PTT switch is pressed and
transmissions are not allowed
Continuous,
Low-Pitched
Tone
Out-of-Range
when the PTT switch is pressed and
the radio is out of range of the system
Invalid Mode
when the radio is on an
unprogrammed channel
Individual Call
Warning Tone
when the radio is in an individual
call for greater than 6 seconds
without any activity
A Group of Low-
Pitched Tones
(Busy Tone)
Busy
when interconnect channel, phone
line, or system is busy
Short,
Medium-Pitched
Tone
Valid Key-Press when the correct key is pressed
Radio Self-Test
Pass
when radio passes its power-up self
test
Clear Voice
at the beginning of a non-coded
communication
Priority Channel
Received
upon reception of activity on a
priority channel
Emergency Alarm
Entry
upon entering the emergency state
Central Echo
when the central controller has
received a request from a radio
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