Trisquare Communications Inc. GMRS520A Manual De Usuario

GMRS520 – User Instruction Guide – Content Draft 

TriSquare Communications 

Version 0 (11/9/01) 

Page 3 

 

Talking on Your Radio  
 
To talk to others using the radio 

PTT button: 

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 
transmit icon 

 will be shown on the display.  To avoid cutting off 

the first part of your transmission, pause slightly after pressing the 

PTT 

button before you start talking. 

 
2)  When you are finished speaking, release the 

PTT button.  You can now 

receive incoming calls.  While receiving, the receive icon 

 will be 

shown on the display. 

 
 
 
 

 

 
Your GMRS520 radio is equipped with a call tone that will be transmitted 
when the 

Call button is pressed.    

To transmit the  call alert tone, press the 

Call button.  The  tone will 

automatically be transmitted for a fixed length of time.   
 
 

 
Channel Scan Feature 

 
Your GMRS520 radio has a channel scan feature that allows you to easily 
scan all 22 channels.  When an active channel is detected, the unit will 
pause on that channel until the channel is clear.  Then after a 4 second 
delay, the unit will continue scanning.   Pressing 

PTT  while the scan is 

paused on a channel will allow you to transmit on that channel.   
 
To turn on channel scanning: 

Press and hold either the 

Up  or  Down button until the  radio has moved 

through 14 channels.  The channel number on the display will be rapidly 
cycling through the channels. 
 
To turn off channel scanning: 
Press and release either the 

Up or Down button.