Advanced Features
English
33
Turning the Voice Operating Transmission (VOX) 
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.
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 Selector Knob, OR
• Follow the procedure below.
NOTE: Turning this feature on or off is limited to radios with 
this function enabled. Check with your dealer or system 
administrator for more information.
Procedure: 
Press the programmed VOX button to toggle the feature on or 
off.
If the Talk Permit Tone feature is enabled, use a trigger word to 
initiate the call. Wait for the Talk Permit Tone to finish before 
speaking clearly into the microphone.
Turning Radio Tones/Alerts On or Off 
You can enable and disable all radio tones and alerts (except for 
the incoming Emergency alert tone) if needed.
Procedure: 
1 Press the programmed All Tones/Alerts button.
2 You hear a positive indicator tone, indicating all tones and 
alerts are on.
OR
You hear a negative indicator tone, indicating all tones and 
alerts are off.
Checking the Battery Strength
You can check how much battery power you have left.
Settings: The LED Indicator in solid yellow indicates fair battery 
charge while solid green indicates full charge of the battery.
Procedure: 
Press the programmed Battery Strength button to view the 
battery strength via the LED Indicator.
NAG-LACR.book  Page 33  Tuesday, March 9, 2010  1:53 PM