43-492.fm Page 1 Friday, August 13, 1999 10:02 AM
Cat. No. 43-492
OWNER’S MANUAL
Please read before using this equipment.
Two-Station
FM Wireless Intercom
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43-492.fm Page 3 Friday, August 13, 1999 10:02 AM
WARNING: To reduce the risk of
fire or shock hazard, do not ex-
pose this product to rain or mois-
ture.
CAUTION
RISK OF ELECTRIC SHOCK.
!
DO NOT OPEN.
: TO REDUCE THE RISK OF
CAUTION
ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BACK. NO USER-SERVICE-
ABLE PARTS INSIDE. REFER SERVIC-
ING TO QUALIFIED PERSONNEL.
This symbol is intended to alert you to the presence of unin-
sulated dangerous voltage within the product’s enclosure
that might be of sufficient magnitude to constitute a risk of
electric shock. Do not open the product’s case.
This symbol is intended to inform you that important operat-
ing and maintenance instructions are included in the litera-
ture accompanying this product.
!
The graphical symbols with supplemental markings are on
the bottom of each unit.
3
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43-492.fm Page 4 Friday, August 13, 1999 10:02 AM
INSTALLATION
You can install the stations almost anywhere there is a
standard AC outlet. Simply plug each station into an AC
outlet, then place it on a desk, shelf, or table, or mount it
on a wall.
Important:
• You must connect all of the stations to AC outlets
originating from the same phase of a power line
transformer. All AC outlets in most residential and
many commercial properties are connected to the
same phase of a power line transformer.
• Stations can transmit up to 300 feet and between
buildings as long as they are connected to the same
phase of a power line transformer.
• To use the stations in a home or office with more than
one phase of a power line transformer, you need a
whole house converter, such as RadioShack Cat. No.
61-2401.
• Make sure you install the stations at least 10 feet
apart. Placing the stations too close together pro-
duces feedback which creates a squealing sound.
To prevent electric shock, one blade on the
Caution:
power cord’s plug is wider than the other so the plug fits
into the outlet only one way. If you cannot easily insert
the plug, turn it over and try again. Do not force it.
4
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43-492.fm Page 5 Friday, August 13, 1999 10:02 AM
MOUNTING THE STATIONS
To mount a station on the wall, you need two screws (not
supplied) with heads that fit into the keyhole slots on the
bottom of the stations.
Follow these steps to mount a station on the wall.
1. Mark the mounting screw locations 23/4 inches (70
mm) apart, one above the other.
2. Drill a hole at each marked location.
3. Thread a screw into each hole until the screw’s head
extends about 1/8 inch from the wall.
4. Align the keyhole slots on the bottom of the station
with the screw heads, then slide the station down to
secure it.
5
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43-492.fm Page 6 Friday, August 13, 1999 10:02 AM
OPERATION
TURNING A STATION ON AND OFF/
ADJUSTING THE VOLUME
To turn on a station, rotate VOLUME to the left until it
clicks. When the TALK BAR lights steadily to show the
station has power, rotate VOLUME left or right to increase
or decrease the volume level.
To turn off the station, rotate VOLUME to the right until it
clicks.
CALLING ANOTHER STATION
1. Be sure the stations you plan to use are turned on
and adjusted to the desired volume.
2. Press CALL to sound a tone alerting whoever is at
the other station that you are about to speak.
6
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43-492.fm Page 7 Friday, August 13, 1999 10:02 AM
3. Hold down TALK and speak in a normal voice. The
station’s TALK indicator lights. When you finish
speaking, release TALK and listen for the response.
Talk Indicator
Notes:
• Only one party can talk at a time. Wait until the other
party finishes before answering.
• The TALK indicator on the station you are using
remains lit as long as you hold down TALK or CALL,
or when you press LOCK (see “Monitoring” on Page
8).
• If your voice sounds distorted, you might be speaking
too loudly or too close to the station.
7
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43-492.fm Page 8 Friday, August 13, 1999 10:02 AM
MONITORING
You can set one station so it continuously transmits. For
example, you could set the station in a baby’s bedroom to
pick up any sounds in that bedroom, then listen at the
station in the kitchen to monitor the sounds.
You can monitor only one station at a time.
LOCK
1. Press
on the station in the area you want to
monitor. Both the TALK and LOCK indicators light.
Lock
Indicator
TALK
2. When you finish monitoring, press
on the sta-
tion in the area you are monitoring to release the
lock. The TALK and LOCK indicators turn off.
8
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43-492.fm Page 9 Friday, August 13, 1999 10:02 AM
When you press LOCK on a station, another station
cannot call or talk to that station until you press TALK
to release the lock. (Pressing CALL or turning off the
station also releases the lock).
USING ADDITIONAL STATIONS
You can add additional stations, such as RadioShack
Cat. No. 43-486, to your intercom system as long as they
transmit on the same frequency. The stations and their
box are labeled to indicate the stations’ frequency — A
(200kHz), B (270 kHz), or C (230 kHz). Stations in the
same box have the same frequency.
Be sure the letter on the stations you plan to add match-
es the letter on your current stations. If you want to set up
a separate intercom system, however, be sure it operates
on a different frequency.
9
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43-492.fm Page 10 Friday, August 13, 1999 10:02 AM
CARE AND MAINTENANCE
Your RadioShack Two-Station FM Wireless Intercom is
an example of superior design and craftsmanship. These
suggestions will help you care for your intercom stations
so you can enjoy them for years.
Keep the stations dry. If they get wet, wipe
them dry immediately. Liquids might con-
tain minerals that can corrode the electron-
ic circuits.
Use and store the stations only in normal
temperature environments. Temperature
extremes can shorten the life of electronic
devices and distort or melt plastic parts.
Keep the stations away from dust and dirt,
which can cause premature wear of parts.
Handle the stations gently and carefully.
Dropping them can damage circuit boards
and cases and can cause the stations to
work improperly.
Wipe the stations with a damp cloth occa-
sionally to keep them looking new. Do not
use harsh chemicals, cleaning solvents, or
strong detergents to clean the stations.
10
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43-492.fm Page 11 Friday, August 13, 1999 10:02 AM
Modifying or tampering with the intercom stations’ internal
components can cause a malfunction and might invalidate
your intercom’s warranty and void your FCC authorization
to operate it. If your intercom stations are not performing
as they should, take them to your local RadioShack store
for assistance.
THE FCC WANTS YOU TO KNOW
Your intercom stations might cause TV or radio interfer-
ence even when they are operating properly. To deter-
mine whether your stations are causing the interference,
turn them off. If the interference goes away, your stations
are causing it. Try to eliminate the interference by:
• Moving your stations away from the receiver
• Connecting your stations to outlets that are on a dif-
ferent electrical circuit from the receiver
• Contacting your local Radio Shack store for help
If you cannot eliminate the interference, the FCC requires
that you stop using your stations.
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43-492.fm Page 12 Friday, August 13, 1999 10:02 AM
Limited Ninety-Day Warranty
This product is warranted by RadioShack against manufacturing defects in material and
workmanship under normal use for ninety (90) days from the date of purchase from Ra-
dioShack company-owned stores and authorized RadioShack franchisees and dealers.
EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES
AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN DURATION TO THE DURA-
TION 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 LIA-
BILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PER-
FORMANCE OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS
WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM
INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR
ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF
RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some states do not allow the limitations on how long an implied warranty lasts or the exclu-
sion of incidental or consequential damages, so the above limitations or exclusions may
not apply to you.
In the event of a product defect during the warranty period, take the product and the Ra-
dioShack sales receipt as proof of purchase date to any RadioShack store. RadioShack
will, at its option, unless otherwise provided by law: (a) correct the defect 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 replaced 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 war-
ranty period.
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 follow instructions,
improper installation or maintenance, alteration, lightning or other incidence of excess volt-
age or current; (b) any repairs other than those provided by a RadioShack Authorized Ser-
vice 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 reinstallation.
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
3/97
We Service What We Sell
RadioShack
A Division of Tandy Corporation
Fort Worth, Texas 76102
811081330B
9A8
Printed in China
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