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*Range may vary depending in environmental and/or topographical conditions.
• 8 GMRS / 14 FRS Channels
• Long Battery Life
• Extended Long Range*
• Channel Scan
• Channel Monitor
• Battery Strength Meter
• Call Button
2 PTT (Push-To-Talk) Button
3 Channel/scan up Key
4 Channel/scan down Key
5 Call Key
7 Power On/Off Key
8 Volume up/mon (monitor) Key
9 Volume down/mon (monitor) Key
11 Battery Compartment
12 Channel Indicator
13 Receive Indicator
14 Battery Level Indicator
15 Transmit Indicator
Congratulations on your purchase of the Uniden
TR620 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
Your package contains the TR620 radio, this
reference guide and a belt clip.You will need to
purchase 3 AAA alkaline batteries in order to
operate the unit.
FCC GMRS LICENSE
The TR620 radio operates on the General Mobile
Radio Service (GMRS) frequencies which
require a Federal Communication Commission
license to operate. For licensing information
and application forms, visit the FCC on-line
at:www.fcc.gov/wtb/uls 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.
INSTALL THE BATTERIES
Your TR620 radio uses 3 AAA alkaline batteries
for power.We recommend using high quality
To install the batteries:
1) Make sure your radio is OFF.
2) Remove the battery compartment door by
pressing on and sliding the compartment door,
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 by sliding
the door into place.
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.
Turning the Radio On and Adjusting the Volume
1) Press and hold the key to turn the radio ON.
2) To change the volume level press the
volume/mon ▲ or ▼ keys to increase or
decrease the volume level.
3) Press and hold the key to turn the radio OFF.
Adjusting the Sound (Key Beeps)
Your radio emits a beep each time one of the keys
(except for the PTT button and call key) is pressed.
The sound of the Key Beep will increase or
decrease depending on the volume level setting.
To turn OFF this beep:
Press and hold the call key while turning ON the radio.
To turn ON this beep:
Turn the radio OFF and ON again.
Choosing a Channel
Your TR620 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 the channel/scan ▲ or ▼ keys to increase
or decrease the channel number displayed.
Channel Scan Feature
Your TR620 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 2 second delay, the unit will continue scanning.
Pressing PTT button 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 channel/scan
▲ or ▼ key.The channel number on the display
will rapidly cycle through the channels.
To turn OFF channel scanning:
Press either the channel/scan ▲ or ▼ key.
Talking on Your Radio
To talk to others using the radio:
1) Press and hold the PTT button and speak in a
clear, normal voice about 2-3 inches away from
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.
2) When you are finished speaking, release the
PTT button.You can now receive incoming calls.
While receiving, the rx icon is displayed.
Channels 8 GMRS / 14 FRS
Operating Frequency UHF 462.5625-
Power Source 3 AAA Alkaline Batteries
Output Power 500mW Conducted
Battery Life 25 Hours typical
(5/5/90 duty cycle)
Ch. Freq. Ch. Freq.
1 462.5625 12 467.6625
2 462.5875 13 467.6875
3 462.6125 14 467.7125
4 462.6375 15 462.5500
5 462.6625 16 462.5750
6 462.6875 17 462.6000
7 462.7125 18 462.6250
8 467.5625 19 462.6500
9 467.5875 20 462.6750
10 467.6125 21 462.7000
11 467.6375 22 462.7250
Transmitting a Call Alert Tone
Your TR620 radio is equipped with a call tone that
will be transmitted when the call key is pressed.
To transmit the call alert tone, press the
The tone will automatically be transmitted for a fixed
length of time.
Auto Squelch Feature
The TR620 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.
Monitor Mode Feature
Your TR620 radio allows you to listen in for weak
signals on the current channel at the press of a key.
To turn ON monitor mode:
Press and hold the
volume/mon ▲ or ▼ key.
The rx icon will blink.
To turn OFF monitor mode:
Press the volume/mon ▲ or ▼ key. The rx icon
Automatic Power Save Feature
Your TR620 has a unique circuit designed to
dramatically extend the life of the batteries.
If there is no transmission nor an incoming call within
2 seconds, your radio switches to the Power Save mode.
The radio is still able to receive transmissions in this mode.
Note: If you press either the channel/scan ▲
or ▼ key while the unit is pausing on a
channel, scanning will resume.