21-1810.fm Page 1 Thursday, August 5, 1999 2:53 PM
SPECIFICATIONS
Owner’s Manual
Cat. No. 21-1810
Channels ...................................................... 14
Quiet Codes ............... Standard CTCSS Tones
Output Power ...................................... 500 mW
Battery Life ........ Alkaline: 22 Hours (2300 mA)
NiMH: 8 Hours (600 mA)
Specifications are typical; individual units might
vary. Specifications are subject to change and
improvement without notice.
Two-Way
Family Radio
Limited Ninety-Day Warranty
This product is warranted by RadioShack against manufacturing defects in mate-
rial and workmanship under normal use for ninety (90) days from the date of pur-
chase from RadioShack company-owned stores and authorized RadioShack
franchisees and dealers. EXCEPT AS PROVIDED HEREIN, RadioShack MAKES
NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING
n Water-Resistant
n Rugged, Commercial-Quality Design
n 14 Channels
THOSE OF MERCHANTABILITY AND FITNESS FOR
A
PARTICULAR PUR-
POSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN
LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED
HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO
CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT TO ANY
LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE
OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH
OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RE-
SULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVE-
NUE, OR PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN ADVISED OF
THE POSSIBILITY OF SUCH DAMAGES.
n 500 mW Output
n 38 Quiet Codes
Some states do not allow the limitations on how long an implied warranty lasts or
the exclusion of incidental or consequential damages, so the above limitations or
exclusions may not apply to you.
n Call Button
In the event of a product defect during the warranty period, take the product and
the RadioShack sales receipt as proof of purchase date to any RadioShack store.
RadioShack will, at its option, unless otherwise provided by law: (a) correct the de-
fect by product repair without charge for parts and labor; (b) replace the product
with one of the same or similar design; or (c) refund the purchase price. All re-
placed parts and products, and products on which a refund is made, become the
property of RadioShack. New or reconditioned parts and products may be used in
the performance of warranty service. Repaired or replaced parts and products are
warranted for the remainder of the original warranty period. You will be charged for
repair or replacement of the product made after the expiration of the warranty pe-
riod.
This warranty does not cover: (a) damage or failure caused by or attributable to
acts of God, abuse, accident, misuse, improper or abnormal usage, failure to fol-
low instructions, improper installation or maintenance, alteration, lightning or other
incidence of excess voltage or current; (b) any repairs other than those provided
by a RadioShack Authorized Service Facility; (c) consumables such as fuses or
batteries; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or
(f) costs of product removal, installation, set-up service adjustment or reinstalla-
tion.
n No License Required!
n Clear Communications
Up to Several Miles
n Automatic Squelch
n Audible Page
RadioShack welcomes you to the next genera-
tion of personal communication — the Family
Radio Service (FRS). FRS is a new license-
free, two-way, short-range voice radio service
that lets families and groups keep in touch with
each other on specific reserved channels.
This warranty gives you specific legal rights, and you may also have other rights
which vary from state to state.
RadioShack Customer Relations, Dept. W, 100 Throckmorton St.,
Suite 600, Fort Worth, TX 76102
We Service What We Sell
3/97
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102
811081530A
10A98N
Printed in China
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21-1810.fm Page 3 Thursday, August 5, 1999 2:53 PM
OPERATION
USING THE QUIET FEATURE
INSTALLING BATTERIES
The quiet feature lets you talk and listen to peo-
ple who are using other radios set to the same
channel and quiet code as your radio. This is
like having a sub-channel within a channel, giv-
ing you greater communication flexibility.
Your radio uses an optional Ni-MH recharge-
able battery pack (RSU No. 12016481, avail-
able through your local RadioShack store) or
three alkaline AA batteries (not supplied) for
power.
Cautions:
When you set a quiet code (there are 38 to
choose from) and turn on this feature, the radio
transmits a tone with your transmission. This
tone is too low for you to hear, but other radios
can detect it. This prevents radios which are not
set to the same channel and quiet code from in-
terfering with your transmissions or reception.
• Use only fresh batteries of the required size
and recommended type.
• Do not mix old and new batteries, different
types of batteries (standard, alkaline, or
rechargeable), or rechargeable batteries of
different capacities.
Follow these steps to set a quiet code.
Note:
You need an optional desktop charger
1. Repeatedly press MODE until QUIET and
the previously set quiet code appear and
flash.
(Cat. No. 21-1830), to charge the battery pack
before you can use it. Follow the directions sup-
plied with the optional desktop charger to
charge the battery pack.
2. Rotate CHANNEL/QUIET/VOLUME clock-
wise or counterclockwise until you see the
code number (1–38) you want to use.
Be sure the radio is off, then remove the belt
clip. Use a coin or a screwdriver to loosen the
screw on the battery compartment cover, then
slide the cover down and off and install the bat-
tery pack or batteries as shown.
QUIETflashes for 5 seconds after you stop
rotating CHANNEL/QUIET/VOLUME, then the
selected channel number reappears.
Lock Pin
FREQUENCIES
Frequency
(MHz)
Frequency
(MHz)
Channel
Channel
1
2
3
4
5
6
7
462.5625
462.5875
462.6125
462.6375
462.6625
462.6875
462.7125
8
9
467.5625
467.5875
467.6125
467.6375
467.6625
467.6875
467.7125
10
11
12
13
14
Note:
If you will not be using the radio for sever-
al months, remove the batteries.
6
3
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21-1810.fm Page 4 Thursday, August 5, 1999 2:53 PM
USING THE RADIO
To hear everything on a channel,
including weak transmissions and
radios set to a different quiet code,
hold down MON (monitor). RX
appears. Release MON to turn
auto-squelch back on.
Rotate to adjust the voice volume, channel,
quiet code, and ringer volume.
For more convenient listening,
connect an optional speaker/
3
32
-inch
microphone with a
/
1
8
mini plug and a / -inch plug to
To talk, hold down PTT (push to
talk) and speak into the micro-
phone. TX appears. When you
finish speaking, release PTT. TX
disappears.
the EAR/MIC jacks (or an ear-
1
8
phone with a / -inch plug to
the EAR jack).
Microphone
Display
Repeatedly press MODE to
switch between channel, quiet,
volume and intelligent call
ringer modes. See “Using the
Quiet Feature” on Page 6.
As you use the radio, the battery
icon’s elements on the display dis-
appear to show how much power
remains. When only one element
remains, recharge the battery pack
or replace the batteries.
You can cause a paging tone to
sound on all radios tuned to the same
channel (and quiet code, if used). To
send a page, hold down CALL for up
to 5 seconds. TXappears.
You can lock the radio’s volume
at any time by holding down
MODE for 2 seconds.
appears, and you cannot use
CHANNEL/QUIET/VOLUME to
adjust the volume. Hold down
MODE again for 2 seconds to
When you press CALL, the radio
sends a signal that automatically
turns up the volume on another Cat.
No. 21-1810 Two-Way Family Radio
(or other radio that has this feature).
This “Intelligent Call Ringer” allows
the party on the other end to hear the
call tone, even if their radio’s volume
is set to its lowest setting.
unlock the volume.
pears.
disap-
To turn the radio on or off,
hold down POWER for
about 1 second.
The backlight turns on for 10 seconds whenever
you press MODE, CALL, or POWER, or rotate
CHANNEL/QUIET/VOLUME.
To attach the belt clip, slide the belt clip onto the
tab on the back of the radio.
4
5
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