GMRS-21X
Synthesized GMRS
Two-Way Radio
Owner's Manual
Table of Contents
About Your GMRS-21X Radio...........................................1
GMRS-21X Features..........................................................1
Package Contents..............................................................1
Safety Information.............................................................2
FCC Licensing Information................................................4
Radio Controls/Functions..................................................5
Battery Charging and Care.................................................7
Antenna Installation..........................................................7
Installing and Removing a Battery Pack.............................7
Attaching and Removing the Belt Clip...............................8
GMRS-21X Operation.......................................................9
Power On-Volume.......................................................9
Transmit.......................................................................9
Power Off..................................................................10
Radio Status Indicators....................................................10
Accessories.....................................................................11
Recycling/Disposal of Batteries.......................................11
Radio Maintenance/Service.............................................13
Radio Specifications........................................................14
Other Maxon Products....................................................14
Warranty Service Instructions..........................................15
Warranty Statement.........................................................16
About Maxon America, Inc.............................................17
Safety Information
The Federal Communications Commission (FCC), with its
action in General Docket 79-144, March 13, 1985, has
adopted a safety standard for human exposure to Radio
Frequency (RF) electromagnetic energy emitted by FCC
2
Safety Information, Continued
regulated equipment. Maxon subscribes to the same safety
standard for the use of its products. Proper operation of this
radio will result in user exposure far below the Occupa-
tional Safety and Health Act and Federal Communications
Commission limits.
WARNING - DO NOT hold the radio in such a manner
that the antenna is next to, or touching, exposed parts of
the body, especially the face or eyes, while transmitting.
WARNING - DO NOT allow children to operate any
transmitter-equipped radio equipment.
CAUTION - DO NOT operate the radio near unshielded
electrical blasting caps or in an explosive atmosphere
unless it is a type specifically designed and qualified for
such use.
CAUTION - DO NOT press and hold the transmit switch
(P-T-T button) when not actually wishing to transmit.
NOTE: This radio operates in FCC regulated frequency
bands. All radios must be licensed by the FCC before use.
Because this radio contains a transmitter, Federal law
prohibits unauthorized use or adjustments of this radio.
3
FCC Licensing Information
Before using your Maxon GMRS-21X, you must obtain /
possess a radio license issued by the Federal Communica-
tions Commission (FCC). It is illegal to transmit without the
appropriate license.
The GMRS-21X operates on General Mobile Radio Service
(GMRS) frequencies, which are allocated by the FCC for
personal uses, including recreation and travel.
For GMRS radio licenses, you must submit FCC Form 574
directly to the FCC at this address:
Federal Communications Commission
General Mobile Radio Service
PO Box 358230
Pittsburgh, PA 15251-5230
To obtain current FCC Forms and/or filing instructions,
you can:
•
•
Have the forms mailed to you by calling the FCC
Forms Hotline (1-800-418-FORM (3676)
Have the forms faxed to you by the FCC’s Fax-On-
Demand System by calling 1-202-418-0177.
For more information regarding the licensing application,
contact the FCC at 1-888-CALL-FCC (255-5322).
You are required to have in your possession a current copy
of Part 95 of the FCC Rules and Regulations before operat-
ing your radio. It is your responsibility to insure your radio
4
FCC Licensing Information, Continued
operates in accordance with the guidelines established by
the FCC and that you are familiar with Part 95 of the FCC
Rules before you operate your radio. To obtain current
copies of the FCC Rules and/or Part 95, contact:
Superintendent of Documents
Government Printing Office
Washington, DC 20402-9371
or call: 1-202-783-3238 (8:00 AM to 4:00 PM Eastern
Standard Time, Monday - Friday, excluding Holidays).
Many larger metropolitan areas have U.S. Government
book stores. Check the business listings of your local
telephone directory under "Government Book Stores"
for locations.
Radio Controls/Functions
A
B
C
D
E
Antenna Receptacle
Channel Selector Switch
On/Off - Volume Control
Accessory Jack
Speaker
F
Microphone
G
H
I
Battery Release Latch
Push-To-Talk Bar
Monitor Button
J
TX/Battery Low LED
Belt Clip (not shown)
Battery Contacts (not shown)
5
C
A
B
J
I
D
E
H
F
G
6
Battery Charging and Care
The Ni-Cad battery pack must be fully charged (or new
Alkaline batteries inserted into the alkaline battery pack
shell) to obtain maximum performance from your radio.
A desktop charger is provided with the GMRS-21X radio.
You can charge the provided Ni-Cad battery pack while
attached to the radio in the front charging slot, or the
Ni-Cad battery alone in the rear charging slot. The charging
cycle is overnight (12-16 hours). While charging in either
slot a solid red LED will appear on the charger base.
NOTE: Charge only the provided Ni-Cad battery pack.
To receive maximum performance from your radio and
Ni-Cad battery, periodically discharge the pack completely
and then recharge it.
Antenna Installation
Fasten the antenna to the radio by turning the antenna
clockwise into the receptacle on top of the radio until
firmly seated. Do not overtighten.
Installing and Removing a Battery Pack
To load fresh Alkaline batteries into the alkaline battery
shell, slide the internal holding clip toward the end of the
shell and remove it. Load 4 new "AA" Alkaline batteries,
following the polarity diagram embossed in the shell base.
Realign the holding clip along the shell sides and reposi-
tion to hold the batteries securely.
7
Installing and Removing a Battery Pack, Continued
To install the Alkaline or Ni-Cad battery pack, hold the
radio face down in one hand; the battery pack (flat side
up) in the other. Orient the battery so that the 2 metal
battery contacts are toward the bottom of the pack. Locate
the tab at battery top and the slot at radio top panel. Turn
the battery pack over in your hand, and tilt the tab end
slightly downward to insert it into the slot. Lower opposite
end of battery toward radio and press firmly until a click
is heard and battery pack is firmly seated.
To remove either pack from the radio, hold the radio face
down in one hand and use the thumb of other hand to
press and hold the battery latch (at the battery pack base).
Use gentle upward pressure to raise the battery about 1/2"
from the radio back. Lift and pull the battery pack away
from the radio, being careful not to break or put pressure
on the battery pack tab.
Attaching and Removing the Belt Clip
The belt clip attaches to the upper right corner of the radio
back. To attach, position the belt clip so that the deep
slotted area faces the holder on radio back. Insert the
holder into the slot, and slide the belt clip upward. A click
will be heard, confirming the belt clip is firmly seated on
the holder. Open belt clip (by pressing top of clip) and
attach to belt, pocket or other convenient location.
To remove the belt clip, simply push and hold the release
button (located at the top of the belt clip) while sliding the
belt clip down off the holder on radio back.
8
GMRS-21X Operation
Power On-Volume:
Turn the radio on by rotating the on/off - volume control
clockwise until you hear a click. Continue to move the
control until a desired listening level is obtained.
Transmit:
CAUTION!
OPERATION OF THE TRANSMITTER WITHOUT
A PROPER ANTENNA INSTALLED MAY RESULT
IN PERMANENT DAMAGE TO THE RADIO
Using the switch at the top of the radio, select the desired
channel - Channel A (462.575 MHz) or Channel B
(462.625 MHz).
Press the monitor button to monitor the channel for
activity. To avoid interrupting another user, make sure
the channel is clear before you begin transmitting.
NOTE: Federal Communications Commission Rules
and Regulations require that you monitor a channel for
activity before transmitting.
NOTE: When the radio’s top-mounted LED is not illumi-
nated, the radio is indicating a “clear” channel. It will
glow amber if activity is present.
When the channel is clear, hold the radio upright with the
antenna vertical and the front microphone area about 2-3
inches from the mouth, keeping the antenna away from the
9
GMRS-21X Operation, Transmit, Continued
face and eyes. Press and hold the P-T-T bar on the side
of the radio, and speak slowly and clearly into the micro-
phone area. The LED will glow red when transmitting.
When you have finished transmitting, release the P-T-T
bar to receive.
NOTE: Should the LED be flashing red, the battery needs
to be recharged. Your transmission will cease. Recharge
the battery pack (or install fresh Alkaline batteries to the
Alkaline battery pack shell) before attempting more than
one transmission.
Power Off:
When finished transmitting, receiving, monitoring, etc.,
turn the radio off by rotating the on/off-volume control
fully counter-clockwise, to the detent position.
Radio Status Indicators
Your GMRS-21X has a sophisticated microprocessor
control which provides a series of visual alert indications.
Note the following color changes to the top-mounted LED
on your radio.
Status
Description
LED Color
Normal
Power on - Ready
Busy
N/A
Amber
Transmit
Red
Battery low
Internal Error
Red flashing
Red flashing
Error
10
Accessories
The Maxon GMRS-21X radio is designed to work with a
variety of accessory products, including:
ACC-600
ACC-705
Ear Bud Speaker
Ear Bud Speaker with in-line
P-T-T and Microphone
Lapel Speaker / Microphone
with Ear Jack
ACC-725
Your GMRS-21X comes standard with the following
accessories. They are also sold separately as replacements
or additional parts.
ACC-100
ACC-210
ACC-211
ACC-402
ACC-1402
Stud Mount Antenna
Ni-Cad Battery Pack
Alkaline Battery Pack Shell
Desktop Charger
Charger Power Supply
These accessories are available from your local Maxon
supplier or you may contact Maxon at 800-821-7848,
Ext. 319 for ordering information and pricing.
Recycling/Disposal of Batteries
The U.S. Environmental Protection Agency (EPA) classifies
used Ni-Cad batteries as hazardous waste, unless certain
exemptions apply.
The battery should be recycled at the end of its useful life.
Under various state or local laws, such batteries must be
11
Recycling/Disposal of Batteries, Continued
recycled or disposed of properly and cannot be dumped in
landfills or incinerators.
Maxon America, Inc. fully endorses and encourages the
recycling of Ni-Cad batteries. A national program to collect
and recycle used Ni-Cad batteries is being implemented by
the Rechargeable Battery Recycling Corporation (RBRC™).
This program is being funded through the use of license
fees paid by the battery and product manufacturers to
place the RBRC™ Seal on the batteries.
The following is a list of facilities where the batteries can
be shipped to be recycled. Contact these facilities for
proper packaging and shipping guidelines.
INMETCO
KINSBURSKY BROTHERS INC.
1314 N. Lemon Street
Anaheim, CA 92801
Tel: 714-738-8516
800#: 800-548-8797
Fax: 714-441-0857
245 Portersville Road
Ellwood City, PA 16117
Tel: 412-758-2800
Fax: 412-758-2842
12
Radio Maintenance/Service
Your GMRS-21X radio is designed to be maintenance free.
To keep your radio in good working condition:
Clean external surfaces with a clean cloth dampened
in a solution of dishwasher detergent diluted in water.
Apply the solution sparingly to avoid any moisture
leaking into cracks and crevices. Do not submerge the
radio. Use a non-metallic brush to dislodge stubborn
particles, if necessary. Dry the surface thoroughly with
a soft, lint free cloth.
DO NOT use solvents or spirits for cleaning - they may
permanently damage the housing.
Clean the radio battery contacts with a lint free cloth to
remove dirt, grease, or other foreign material that may
impede good electrical contact.
DO NOT tamper with internal adjustments. Damage
to the equipment and/or improper operation may
result. There are no user serviceable items inside the
radio.
It is recommended that you return your radio to the place
of purchase for any service or repair, or call Maxon's
Customer Service Department at: 800-821-7848, Ext. 499.
Mention model GMRS-21X.
13
Radio Specifications
Operating Channels
Two: Channel A (462.575 MHz),
Channel B (462.625 MHz)
1 Watt
RF Output Power
Power Supply
Rechargeable Ni-Cad pack, 6V DC
Alkaline pack, 4 "AA" cells
10 hours at 90% Standby,
5% Receive, 5% Transmit time
Battery Life
o
o
Operating Temperature -22 F to +140 F
o
o
(-30 C to +60 C)
8 Ohm
Phase Locked Loop Synthesizer
Speaker Impedance
Frequency Control
Other Maxon Products
FRS-114
This compact Family Radio Service (FRS)
radio features 1/2 Watt output power and
a communication range of up to 2 miles.
Provides license-free operation on one of
14 channels.
49-FX
Unique ear speaker/microphone receives
and transmits your conversations - no
headset is required. Belt-worn design has
5 channel operation with up to 1/8th mile
communication range.
HCB-40WX
Slim-design handheld CB radio offers 40
channel operation and receives current
broadcasts from the National Weather
Service on one or more of 10 frequencies.
14
Warranty Service Instructions
Refer to the Operating Instructions section of this Owner's
Manual for proper operation and adjustments.
If the problem cannot be corrected by reference to this
Owner's Manual, return the product with proof of pur-
chase (a sales receipt) to the place of purchase, or call
Maxon's Customer Service Department for assistance:
1-800-821-7848, Ext. 499.
FOR YOUR RECORDS
Purchase Date:
___________________________
Purchased From:
___________________________
Serial Number:
_______________________
KEEP THIS INFORMATION
IN A SAFE PLACE.
15
Limited Warranty Statement
The Consumer Products Division of Maxon America, Inc. (herein
referred to as “Maxon”) warrants that its Products and their
included accessories will be free from defects in workmanship
or materials under normal use for a period of one (1) year from
the date of purchase by the original end user, provided that the
buyer has complied with the requirements stated herein.
If the Product fails to function under normal use because of
manufacturing defect(s) or workmanship during the one (1)
year period following the date of purchase, it will be replaced
or repaired at Maxon’s option at no charge when returned to
the place of purchase. The defective unit must be accompanied
by proof of the date of purchase in the form of a sales receipt.
Maxon’s sole obligation hereunder shall be to replace or repair
the Product covered in the above Warranty. Replacement, at
Maxon’s option, may include a similar or higher-featured product.
Repair may include the replacement of parts or boards with
functionally equivalent reconditioned or new parts or boards.
Replaced parts, accessories, batteries or boards are warranted
for the balance of the original time period. All replaced parts,
accessories, batteries or boards become the property of Maxon
America, Inc.
Maxon shall have no obligation to make repairs or to cause
replacement required which results from normal wear and tear
or is necessitated in whole or in part by catastrophe, fault or
negligence of the user, improper or unauthorized alterations,
repairs to the Product, use of the Product in a manner for which
it was not designed, or by causes external to the Product. This
warranty is void if the serial number is altered, defaced or
removed.
The purchaser shall provide for removal of the defective Product
and installation of its replacement.
(Continued, next page)
16
Limited Warranty Statement, Continued
THE EXPRESS WARRANTIES CONTAINED HEREIN ARE IN LIEU
OF ALL OTHER WARRANTIES, EITHER EXPRESSED OR IMPLIED
OR STATUTORY, INCLUDING, WITHOUT LIMITATION, ANY
WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE.
FOR ANY PRODUCT WHICH DOES NOT COMPLY WITH THE
WARRANTY SPECIFIED, THE SOLE REMEDY WILL BE REPAIR
OR REPLACEMENT. IN NO EVENT WILL MAXON BE LIABLE
TO THE BUYER OR ITS CUSTOMERS FOR ANY DAMAGES,
INCLUDING ANY SPECIAL, INCIDENTAL, INDIRECT OR
CONSEQUENTIAL DAMAGES, OR FOR THE LOSS OF PROFIT,
REVENUE OR DATA ARISING OUT OF THE USE OF OR THE
INABILITY TO USE THE PRODUCT.
This warranty is void for sales and deliveries outside of the United
States.
About Maxon America, Inc.
Maxon America, Inc. is a world leader in the design and
manufacture of portable and mobile CB radios, Family
Radio Service (FRS) radios, 49 MHz two-way radios,
GMRS/DOT frequency radios, weather monitors, pro-
fessional FM two-way Land Mobile Radios, Specialized
Mobile Radios, RF link modules, Wireless Local Loop
devices and portable two-way voice mail handsets; plus
a variety of compatible accessory items.
about our products, and to place orders on-line.
17
Thank you for choosing Maxon!
For more information, contact:
Maxon America, Inc.
Consumer Products Division
10828 NW Air World Drive
Kansas City, Missouri 64153
(Within USA) Phone: 1-800-821-7848, Ext. 399
(Outside USA) Phone: 1-816-891-6320, Ext. 399
Fax: 816-891-8815
e-mail: [email protected]
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