MT 1500 Model 1.5 9
General Radio Operation
A Group of
Medium-
Pitched
Tone s
Failsoft when the trunking system fails.
Automatic Call Back
when the voice channel is
available from the previous
request.
Talk Permit
(when pressing the PTT
button) verifies the system is
accepting transmissions.
Console
Acknowledge
when a status, emergency
alarm, or reprogram request
acknowledgment is received.
Received
Individual Call
when a Call Alert, or Private
Conversation Call is received.
A Group of
Low Pitched
Tone s
followed by a
group of High
Pitched
Tone s
Scan Alert On when the Scan feature is
activated through the pre-
programmed button or 3-
Position Rotary Switch
A Group of
High Pitched
Tone s
followed by a
group of Low
Pitched
Tone s
Scan Alert Off when the Scan feature is
deactivated through the pre-
programmed button or 3-
Position Rotary Switch
Short, High-
Pitched Tone
(Chirp)
Low-Battery Chirp when the battery is below the
preset threshold value.
Ringing Phone Call
Received
when a landline phone call is
received.
Table 4: Alert Tones (Continued)
You hear: Tone Name Heard:
MT1500 1.5 UG.book Page 9 Thursday, May 8, 2008 11:17 AM