User`s guide
8
Introduction
Display Status 
The control head display indicates your selected mode, or the 
currently active receive mode when scan is on.
Feature Control
You can turn the various radio features on or off, change modes, and 
adjust the volume.
To exit a feature, such as phone, press the HOME button.
Alert Tones
Tone Type Name Description
Two high-
pitched tones
Private 
Conversation™
Indicate that a private call has been 
received.
Four high-
pitched tones 
every five 
seconds
Call Alert Indicate that a Call Alert page has been 
received.
Single, high-
pitched tone
Central 
Acknowledge
Indicates that a Call Alert, emergency 
alarm, reprogram request, or status/
message transmission has been 
received by the system’s central 
controller.
Four high-
pitched tones
Mobile Unit 
Acknowledge
Indicate that a Call Alert page has been 
received by the intended unit, or the 
emergency alarm, reprogram request, or 
status/message transmission has been 
acknowledged by the intended 
dispatcher.
Sound similar 
to a telephone 
busy signal
System Busy Indicates, when you press the 
microphone push-to-talk (PTT) button, 
that you cannot transmit because all 
system radio channels are in use. 
Release the PTT button and wait for call 
back.










