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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