Motorola MT 1500 User Manual page 20

General Radio Operation
You hear:
Long,
Low-Pitched
Tone
A Group of
Low-Pitched
Tones (Busy
Tone)
Short,
Medium-
Pitched Tone
Long,
Medium-
Pitched Tone
8
Table 4: Alert Tones (Continued)
Tone Name
Invalid Mode
Individual Call
Warning Tone
Busy
Valid Key-Press
Radio Self-Test
Pass
Priority Channel
Received
Emergency Alarm
Entry
Central Echo
Volume Set
Emergency Exit
Heard:
when the radio is set to an
unprogrammed channel.
when the radio is in Individual
Call without any activity for
more than 6 seconds.
when the system is busy.
when the correct key is
pressed.
when the radio passes its
power-up self-test.
when activity on a priority
channel is received.
when entering the emergency
state.
when the central controller has
received a request from a
radio.
when volume changed on a
quiet channel.
upon exiting the emergency
state.