Open as PDF
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: Changes or modifications to this unit not expressly approved by Uniden could void your authority to operate this unit.Your radio is set up to transmit a
regulated signal on an assigned frequency.It is against the law to alter the settings inside the radio to exceed those limitations. Any adjustments to your radio must
be made by qualified technicians.
Portable Radio Operation and SAR Exposure: When transmitting with a portable radio, hold the radio in a vertical position with the microphone at least 2 inches
away from the mouth.Keep the antenna at least 4 centimeter (about 2 inches) from your head or body when transmitting.If you wear a portable radio on your body,
ensure that the antenna is at least half inch from the body when transmitting.
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
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.
ONE YEAR LIMITED WARRANTY
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
representatives 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 PERTAINING 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 WARRANTIES 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
Uniden America Corporation
Parts and Service Division
4700 Amon Carter Blvd., Fort Worth, TX 76155
(800) 297-1023, 8 a.m.to 5 p.m.Central, Monday through Friday
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 5,526,528 5,557,606 5,574,994 5,610,946
5,613,201 5,625,870 5,627,876 5,628,059 5,634,196 5,634,205
5,678,176 5,697,096 5,717,312 5,722,070 5,787,345 5,901,341
6,021,326 6,084,861 6,163,691 6,195,415
Channels 8 GMRS/14 FRS,
CTCSS Codes 38 Sub-Audible Tones
Operating Frequency UHF 462.5500-
VHF 162.400-162.550 MHz
Power Source 3 AA Alkaline Batteries
or NiMH Battery Pack
Output Power 500mW Conducted
Battery Life 55 Hours (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
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
© 2002 Uniden America Corporation
All rights reserved • Printed in China
NOAA Weather Radio Frequency List
Channel 1 162.550 Mhz Channel 5 162.450 Mhz
Channel 2 162.400 Mhz Channel 6 162.500 Mhz
Channel 3 162.475 Mhz Channel 7 162.525 Mhz
Channel 4 162.425 Mhz
The LCD backlight will automatically turn ON when any key is press.The LCD
display will illuminate for 5 seconds before turning OFF.
USING THE WEATHER RADIO
Your GMRS540 radio can receive weather broadcasts from the NOAA
National Weather Service.When in the Weather Radio Alert mode, the system
functions as it does in GMRS mode but also monitors the selected weather
channel for alerts when not communicating.While using the Weather Radio,
you are not able to receive GMRS communications unless you press the PTT
or call key which will immediately exit and return to Radio Mode.
To turn on the Weather Radio Broadcast mode, press the WX key until the
icon on the display is shown.
Choosing an Emergency/Weather Channel
There are 7 NOAA channel frequencies available and these frequencies are
common between the US and Canada.You will need to know what frequency
is being transmitted in your location.
While in Weather Radio Broadcast mode, press the ▲or ▼ key to increase or
decrease the channel number displayed.The Auto Squelch feature is never
active in Weather Radio Mode.
To enter the combined GMRS/Weather Alert Mode, press the WX key until
icon on the display is shown. Press the WX again to return to
normal GMRS mode.
your range limit.
To temporarily disable the Auto Squelch and monitor the selected channel,
press and hold the monitor button.When the monitor button is released, the
Auto Squelch will be re-engaged.To persistently monitor the channel between
transmissions, press and hold the monitor button until the second confirmation
beep is heard.
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
GMRS540_OM.qxd 03/18/2002 11:00 AM Page 2