Motorola 4580 User Manual

Release the PTT button to listen.

If there is no voice activity for a predetermined period of 
time, the call ends.

See Making a Group Call on page 17 for details on making a 
Group Call.

NOTE: If the radio receives a Group Call while not on the 

Home screen, it remains on its current screen prior to 
answering the call. 

Long press the 

R

 button to go to Home screen to 

view the caller alias before replying.

A Private Call is a call from an individual radio to another 
individual radio.

There are two types of Private Calls. The first type, where a 
radio presence check is performed prior to setting up the call, 
while the other sets up the call immediately. 

When your radio is checked, the green LED blinks. 

Only one of these call types can be programmed to your radio 
by your dealer.

Procedure:
When you receive a Private Call:

The green LED blinks.

The first line of the display shows the subscriber alias or ID, 
and the RSSI icon. The second line displays Private Call 
and the Private Call icon.

If the Channel Free Indication feature is enabled, you will 
hear a short alert tone the moment the transmitting radio 
releases the PTT button, indicating the channel is free for 
you to respond.
Press the PTT button to respond to the call.
OR
If the Voice Interrupt feature is enabled, press the PTT 
button to stop the current call from the transmitting radio and 
free the channel for you to talk/respond.

The green LED lights up.

Wait for the Talk Permit Tone to finish (if enabled) and 
speak clearly into the microphone.

Release the PTT button to listen.

If there is no voice activity for a predetermined period of 
time, the call ends.

You hear a short tone. The display shows Call Ended.

See Making a Private Call on page 17 for details on making a 
Private Call.

NAG_6880309T15.book  Page 15  Tuesday, March 9, 2010  11:47 AM