Uniden FRS420 Two-Way Radio User Manual


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FCC Information
This device complies with Part 15 of the FCC Rules Subpart-B. Operation is subject to the following conditions:
•This device may not cause harmful interference.
•This device must accept any interference received, including interference that may cause undesired operation.
Important: Do not open your radio to make any internal adjustments.Your radio is set up to transmit a regulated
signal on an assigned frequency.It is against the law to alter or adjust the settings inside the radio to exceed
those limitations. Any adjustments to your radio must be made by qualified technicians using the proper test
equipment.
To be safe and sure:
• Never open your radio’s case.
• Never change or replace anything in your radio except the batteries.
Your radio might cause TV or radio interference even when it is operating properly.To determine whether your
radio is causing the interference, turn it off. If the interference goes away, your radio is causing it.Try to eliminate
the interference by moving your radio away from the receiver. If you cannot eliminate the interference, the FCC
requires that you stop using the radio.
Audio Accessories:Do not operate the radio with audio accessories at high volume levels.Hearing experts
advise against continuous high volume operation. If you experience a ringing in your ears, reduce the volume
level or discontinue use.Always make sure the radio is turned off before plugging audio accessories into the
accessory jack.
Hazardous Environments:Do not operate the radio in hazardous environments.Explosion or fire may result. Do
not operate the radio near unshielded electrical blasting caps.Under certain conditions, radios can interfere with
blasting operations and may cause an explosion.Turn your radio OFF to prevent accidental transmission when in
a
blasting area or in areas posted:“Turn off two-way radio.”Construction crews often use remote control RF
devices to set off explosives.
Care and Safety:To clean the radio, use a soft cloth dampened with water. Do not use cleaners or solvents
because they can harm the body of the unit and leak inside, causing permanent damage. Use a dry, lint-free
cloth to clean the battery contacts. Do not submerge the unit in water.If the unit gets wet, turn it off and remove
the batteries immediately.Dry the battery compartment with a soft cloth to minimize potential water damage.
Leave the battery compartment cover off overnight to ensure complete drying. Do not use the radio until the unit
is completely dry.
OONNEE YYEEAARR LLIIMMIITTEEDD WWAARRRRAANNTTYY
Important: Evidence of original purchase is required for warranty service.
WARRANTOR: UNIDEN AMERICA CORPORATION (“Uniden”)ELEMENTS OF WARRANTY:
Uniden warrants, for one year, to the original retail owner, this Uniden Product to be free from defects in materials
and craftsmanship with only the limitations or exclusions set out below.
WARRANTY DURATION:This warranty to the original user shall terminate and be of no further effect 12 months
after the date of original retail sale.The warranty is invalid if the Product is:
(A) damaged or not maintained as reasonable or necessary, (B) modified, altered, or used as part of any conversion
kits, subassemblies, or any configurations not sold by Uniden, (C) improperly installed, (D) serviced or repaired by
someone other than an authorized Uniden service center for a defect or malfunction covered by this warranty, (E)
used in any conjunction with equipment or parts or as part of any system not manufactured by Uniden, or (F)
installed or programmed by anyone other than as detailed by the owner’s manual for this product.
STATEMENT OF REMEDY:In the event that the product does not conform to this warranty at any time while this
warranty is in effect, warrantor will either, at its option, repair or replace the defective unit and return it to you without
charge for parts, service, or any other cost (except shipping and handling) incurred by warrantor or its representa-
tives in connection with the performance of this warranty.Warrantor, at its option, may replace the unit with a new or
refurbished unit.THE LIMITED WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY PER-
TAINING TO THE PRODUCT AND IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE
WHATSOEVER, WHETHER EXPRESS, IMPLIED OR ARISING BY OPERATION OF LAW, INCLUDING, BUT NOT
LIMITED TO ANY IMPLIED WARANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
THIS WARRANTY DOES NOT COVER OR PROVIDE FOR THE REIMBURSEMENT OVERPAYMENT OF
INCIDENTAL OR CONSEQUENTIAL DAMAGES.Some states do not allow this exclusion or limitation of incidental
or consequential damages so the above limitation or exclusion may not apply to you.
LEGAL REMEDIES:This warranty gives you specific legal rights, and you may also have other rights which vary
from state to state.This warranty is void outside the United States of America.
PROCEDURE FOR OBTAINING PERFORMANCE OF WARRANTY:If, after following the instructions in the owner’s
manual you are certain that the Product is defective, pack the Product carefully (preferably in its original packaging).
The Product should include all parts and accessories originally packaged with the Product. Include evidence of
original purchase and a note describing the defect that has caused you to return it.The Product should be shipped
freight prepaid, by traceable means, to warrantor:
Uniden America Corporation
Parts and Service Division
4700 Amon Carter Blvd., Fort Worth, TX 76155
(800) 297-1023, 7 a.m. to 7 p.m.Central, Monday through Friday
www.uniden.com
Vibrate Alert for Incoming Calls
Your FRS420 radio is equipped with a
vibrator that can be used for notification of
an incoming call alert from other Uniden
radios equipped with the same feature.
To select the vibrate alert:
1)Enter the Menu and then press the
call/menu button twice.The VIBRATE
icon on the LCD display will be shown
along with on or off indicating the vibrate
alert feature status.
2)Press either the ▲ or ▼ button to
toggle the feature on or off.
3)Exit the Menu.
Channel Scan Feature
Your FRS420 radio has a channel scan
feature that allows you to easily scan all
14 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 ▲ or ▼ button
until the SCAN icon on the display is
shown. The channel number on the display
will rapidly cycle through the channels.
To turn off channel scanning:
Press any key to cancel SCAN mode.
LCD Backlight
The LCD backlight will automatically turn on
with any key press.The LCD display will
illuminate for 5 seconds before turning off.
Auto Squelch Feature
The FRS420 radio 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.
To temporarily disable the Auto Squelch and
listen to the selected channel, rapidly press
the PTT button twice.The channel will
remain open until the PTT button is
pressed.
To re-engage the Auto Squelch, repeat the
double PTT key press.
Automatic Power Save Feature
Your radio 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.
Sport Clip - U.S. patent pending
Covered under one or more of the following U.S. patents:
4,684,870 4,734,049 4,963,844 5,203,015 5,214,789 5,491,745
5,497,508 5,517,677 5,557,606 5,613,201 5,628,059 5,634,196
5,634,205 5,678,176 5,722,070 5,787,345 5,526,528 5,574,994
5,610,946 5,697,096 5,717,312 5,901,341 6,021,326
SSPPEECCIIFFIICCAATTIIOONNSS
Channels 14
CTCSS Codes 38 Sub-Audible Tones
Operating Frequency UHF 462.550-
467.725 MHz
Power Source 3AA Alkaline Batteries
or custom NiMH
Battery Pack
Output Power 500mW ERP
maximum
Battery Life 50 Hours
(5/5/90 duty cycle)
Frequency Chart
Ch. Freq. Ch. Freq.
1 462.5625 8 467.5625
2 462.5875 9 467.5875
3 462.6125 10 467.6125
4 462.6375 11 467.6375
5 462.6625 12 467.6625
6 462.6875 13 467.6875
7 462.7125 14 467.7125
CTCSS Chart (Hz)
Code Freq. Code Freq.
0 Disabled 20 131.8
1 67.0 21 136.5
2 71.9 22 141.3
3 74.4 23 146.2
4 77.0 24 151.4
5 79.7 25 156.7
6 82.5 26 162.2
7 85.4 27 167.9
8 88.5 28 173.8
9 91.5 29 179.9
10 94.8 30 186.2
11 97.4 31 192.8
12 100.0 32 203.5
13 103.5 33 210.7
14 107.2 34 218.1
15 110.9 35 225.7
16 114.8 36 233.6
17 118.8 37 241.8
18 123.0 38 250.3
19 127.30
© 2001 Uniden America Corporation
All rights reserved • Printed in China
UTZZ-420
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