Radio Shack 43-492 Manuel utilisateur
Cat. No. 43-492
OWNER’S MANUAL
Please read before using this equipment.
Two-Station
FM Wireless Intercom
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FEATURES
Your RadioShack Two–Station FM Wireless Intercom is
an advanced one-channel intercom system that is conve-
nient and easy to use. Installation is quick and simple.
Plug each of the two supplied stations into a standard AC
outlet, and you are ready to talk or monitor an area where
a station is installed. Your system’s features include:
Precision PLL Circuit —provides clear and stable com-
munications.
Built-in Frequenc
y
Modulation Circuit —reduces line
noise and interference.
Call Tone —alerts the other station that you are calling.
Lock —lets you talk hands-free, or monitor a room
where a station is located.
Lock Indicator — shows when the station is locked.
Talk Bar — lights when the station is on.
Talk Indicator —lights when you transmit to another sta-
tion.
Expandable — individual boxed sets are labeled by fre-
quency (A, B, or C), so you can add additional stations
with the same frequency to your system, or set up a sep-
arate system on a different frequency.
©1998 Tandy Corporation.
All Rights Reserved.
RadioShack is a registered trademark used by Tandy Corporation.
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Thissymbol 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.
Thissymbol 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.
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER OR BACK. NO USER-SERVICE-
ABLE PARTS INSIDE. REFER SERVIC-
ING TO QUALIFIED PERSONNEL.
WARNING: To reduce the risk of
fire or shock hazard, do not ex-
pose this product to rain or mois-
ture.
CAUTION !
!
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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.
Caution: To prevent electric shock, one blade on the
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.
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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 1/8inch 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.
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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.
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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.
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.
Talk Indicator
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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.
1. Press LOCK on the station in the area you want to
monitor. Both the TALK and LOCK indicators light.
2. When you finish monitoring, press TALK on the sta-
tion in the area you are monitoring to release the
lock. The TALK and LOCK indicators turn off.
Lock
Indicator
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9
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.
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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.
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