Uniden Portable Radio GMRS520 User Manual

Congratulations on your purchase of the Uniden  
GMRS520 (General Mobile Radio Service) radio.  
This product is a lightweight, palm-sized radio.  
Use it at sporting events to stay in contact with  
family and friends, hiking, skiing, outdoors, or  
in a neighborhood watch for vital communication.  
Talking on Your Radio  
USING THE RADIO  
GM RS5 2 0  
To talk to others using the radio:  
In order to get the most out of your new  
radio, read this reference guide completely  
before attempting to operate the radio.  
1) Press and hold the PTT button and  
speak in a clear, normal voice about  
2-3 inches away from the microphone.  
While you are transmitting the TX icon  
is displayed. To avoid cutting off the first  
part of your transmission, pause slightly  
after pressing the PTT button before you  
start talking.  
• 8 GMRS / 14 FRS Channels  
Turning the Radio On and  
Adjusting the Volume  
• Long Battery Life  
PACKAGE CONTENTS  
• Extended long range*  
1) Press and hold the mode key to turn the  
radio ON.  
Your package contains the GMRS520 radio, this  
reference guide, and a product registration card.  
You will need to purchase 3 AAA alkaline batteries  
in order to operate the unit.  
2) To change the volume level press the  
or keys to increase or decrease  
the volume level.  
2) When you are finished speaking, release  
the PTT button.You can now receive  
incoming calls. While receiving, the RX  
icon is displayed.  
3) Press and hold the mode key to turn the  
radio OFF.  
FCC GMRS LICENSE  
The GMRS520 radio operates on the General Mobile  
Radio Service (GMRS) frequencies which require a  
Federal Communication Commission license to  
operate. For licensing information and application  
or call the FCC hotline at 1-800-418-3676. If you  
have any questions you can contact the FCC direct  
at 1-888-225-5322.  
Navigating through the Menu  
Transmitting a Call Alert Tone  
To access the channels your radio has a  
Menu function.  
Your GMRS520 radio is equipped with a  
call tone that will be transmitted when the  
call key is pressed.  
To transmit the selected call alert tone,  
press the call key. The tone will  
automatically be transmitted for a fixed  
length of time.  
*Range may vary depending in environmental and/or topographical conditions.  
INSTALL THE BATTERIES  
1) To enter the Menu, press and release the  
Your GMRS520 radio uses 3 AAA alkaline batteries  
for power. We recommend using high quality alkaline  
batteries.  
mode key.  
Auto Squelch Feature  
2) An additional press of the mode key will  
exit to "normal" operating mode.  
The GMRS520 is equipped with an automatic  
squelch system which shuts off weak  
transmissions and unwanted noise due to  
terrain conditions or if you have reached your  
range limit.  
3) Other methods of exiting the Menu  
function are:  
To install the batteries:  
1) Make sure your radio is OFF.  
a. Press PTT.  
2) Remove the battery compartment door by pressing  
on and sliding the compartment door allowing the  
door to be removed.  
b. Wait 10 seconds until the unit  
automatically returns to "normal" mode.  
Automatic Power Save Feature  
3) Install 3 AAA Alkaline batteries (not included) into  
the battery compartment. Be certain to follow the  
+ and - symbols in the compartment. Installing the  
batteries incorrectly will prevent the unit from  
operating.  
Choosing a Channel  
Your GMRS520 has a unique circuit designed  
to dramatically extend the life of the batteries.  
If there is no transmission within 5 seconds,  
your radio switches to the Power Save mode.  
The radio is still able to receive transmissions  
in this mode.  
Your GMRS520 radio has 22 channels you  
can use to talk to others. In order to speak  
to someone, each of you must be set to the  
same channel.  
4) Replace the battery compartment door by sliding  
the door into place.  
To choose a channel:  
1) Press and release the mode key.  
1
2
3
4
5
6
7
8
9
Antenna  
10 Transmit Indicator  
11 Channel Indicator  
12 Receive Indicator  
2) Press the or keys to increase or  
decrease the channel number displayed.  
PTT Button  
Call Key  
Down Key  
Speaker  
On/Off/Mode Key  
Up Key  
Microphone  
Battery Cover  
 

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