Trisquare Communications Inc. GMRS520A Manual De Usuario

GMRS520 – User Instruction Guide – Content Draft 

TriSquare Communications 

Version 0 (11/9/01) 

Page 2 

 

 
INSTALL THE BATTERIES 
 
Your GMRS520 radio uses 3 AAA Alkaline batteries.   
 
To install Alkaline batteries: 
1)  Make sure your radio is OFF. 
2)  Remove the battery compartment door by pressing the top and sliding it 

down allowing the door to be removed. 

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. 

4)  Replace the battery compartment door. 
 
 

 
USING THE RADIO 
 
In order to get the most out of your new radio, read this reference guide 
completely before attempting to operate the unit. 
 
 
Turning the Radio On and Adjusting Volume 
 
1)  Press and hold the 

on/off/mode key for 2 seconds to turn the unit ON. 

 
2)  Press and hold the on/off/mode for 2 seconds to turn the unit OFF. 
 
Adjusting the Sound (Key Beeps)

 
Your radio emits a beep each time one of the buttons is pressed or a Call 
tone is generated.  To turn the sound OFF, press the 

Call  button while 

turning on the radio.  Repeat this step to turn the sound ON.  
 
 
 
Choosing a Channel    

 
Your 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. 
 
To choose a channel: 
Press  and release the 

on/off/mode  key to change the mode from volume 

control to channel control.  Press the 

Up or Down button to increment or 

decrement the channel number displayed

.