Motorola 4580 User Manual

You can customize your radio’s power setting to high or low for 
each channel.

Settings: 

High

 enables communication with radios located at 

a considerable distance from you. 

Low

 enables communication 

with radios in closer proximity.

Procedure: 
Press the programmed Power Level button to toggle transmit 
power level between high and low. 
OR
Follow the procedure below.

S

 to access the menu.

P

or

 

Q

 to Utilities and press 

N

 to select.

P

or

 

Q

 to Radio Settings and press 

N

 to select.

P

or

 

Q

 to Power and press 

N

 to select.

Change your current setting as prompted on the display.

Press 

N

 to select a new power level.

Screen returns to the previous menu.

R

A channel can support up to 6 option board features. Refer to 
your dealer or system administrator for more information.

Procedure: 
Press the programmed Option Board Feature button to toggle 
the feature on or off.

This feature allows you to initiate a hands-free voice activated 
call on a programmed channel. The radio automatically 
transmits, for a programmed period, whenever the microphone 
on the VOX-capable accessory detects voice.

NOTE: You may need to turn off the radio and power it up 

again after detaching the VOX-capable microphone 
from it to allow the radio to switch to another valid 
accessory.

Pressing the PTT button during radio operation will disable 
VOX. To re-enable VOX, do one of the following:

Turn the radio off and power it on again, OR

Change the channel via the Channel Rocker, OR

Follow the procedure below.

NAG_6880309T15.book  Page 57  Tuesday, March 9, 2010  11:47 AM