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Cat. No.
OWNER’S MANUAL
Please read before using this equipment
Two-Stati on Wired
Intercom System
43-222B
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FEATURES
Your RadioShack Two-Station Wired Intercom System is ideal for home, office, and shop applications.
It is also convenient for monitoring activities in another part of the house, such as a baby’s room.
The system incl udes one mast er st ation and on e re mote station, with a 66-foot (20m) interconnection
cable and staples for fastening the cable to a wall,
floor, or baseboard.
Your system’s features include:
Master Station Volume Control
— lets you adjust
the volume of the master station for different listening situations.
Wall-Mounting Option
— lets you save de sk space
by wall-mounting both intercom stations.
Station Monitori ng
— you can use the master sta-
tion to monitor so unds at the remote station.
1998 Tandy Corporation.
©
All Rights Reserved.
RadioShack is a registered
trademark used by Tandy Corporation.
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Efficient Speaker/Microphone — gives you clear
sound with minimal background noise.
Note: You need one 9-volt battery (not supplied) to
power your intercom system.
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INSTALLATION
INSTALLING A BATTERY
Your intercom system uses one 9-volt battery for
power. For the best performance and longest life,
we recommend an alkaline battery, such as RadioShack Cat. No. 23-553.
Caution:
size and recommended type.
1. With the master station (the unit with the vol-
4
Use only a fresh battery of the required
ume control) face up, open its case by insert ing
a coin into the slot between the top and bottom
of the case and twi sting the coin. Lift off the top
case and lay it face down on a flat surface.
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2. Snap the battery connector over the 9V battery’s terminals.
3. Put the battery inside the case on top of the
foam cushioning material.
4. Snap the case halves together.
Cautions:
• Always remove old or weak batteries. Batteries
can leak chemicals that can destroy electronic
parts.
• Dispose of an old battery promptly and properly. Do not burn or bury it.
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CONNECTING THE STATIONS
Choose the most convenient locations for the master and remote stations. You can place them on a
desk or shelf, or mount them on a wall.
Plug the connector on one end of the supplied 66foot-long cable into the remote station’s jack. Plug
the connector on the other end of the cable into the
master stat ion’s jack.
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Notes:
• Be sure to route the cable so it will not be
pinched by doors or stepped on.
Use the supplied mounting staples to hole the
cable in place. Simply position the cable
between the prongs of each staple you need,
then gently tap the staple with a hammer until
the staple’s gray coating touches the wall.
• To instal l the stations farther than 66 f eet apart,
you can make a connecting cable of 22 gauge
wire (Cat. No. 278-862) and two
1
/8-inch two-
conductor plugs ( Ca t. No. 274-288).
7
5/32"(4 mm)
2 5/8"
/32"
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Wall Mounting
For wall mounting, you need two flat-head screws
(not supplied) with heads that fit into the keyhole
slots on the bottom of the base.
Drill two holes 2
5
/8 inches (67 mm)
apart. Then thread a screw into
each hole, letting the heads extend about
5
/32 inch (4 mm) from
the wall.
Align the keyhole slots with the
mounting screws and slide the s tation downward to secure it.
8
5
5
/8"
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OPERATION
USING THE MASTER STATION
Speaker/
Microphone
PUSH TO TALK
VOLUME
Control
To send a loud tone to the remote station, be sure
VOLUME
is set to
OFF
. Then press
Button
PUSH TO TALK
.
To talk from the master station, rotate
the left until it cli cks, then hold down
VOLUME
PUSH TO TALK
and speak in a normal voice. Release
TAL K
to hear the response. Rotate
VOLUME
to
PUSH TO
to the
left or right to increas e or decreas e the li stenin g level.
Note:
The
VOLUME
setting does not affect the
sound from the maste r station’s microp hone.
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To save battery power, set
VOLUME
to
OFF
when
you finish using the intercom system.
To monitor activit y around t he remot e stat ion, ro tate
VOLUME
to the le ft u nt il i t c lic ks. Adju st
VOLUME
as
necessary to hear sounds through your master station’s speaker.
USING THE REMOTE STATION
Speaker/
Microphone
CALL Button
To send a loud tone to the master station, press
CALL
.
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To talk from the remote station, speak in a normal
voice. Listen to hear the response from the master
station.
Notes:
• The master station must be turned on for the
remote station to work.
• Do not press
whil e tal kin g or li sten ing to
CALL
the master station.
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CARE
To enjoy your RadioShack Two-Stat ion Wired Intercom System for a long time:
• Keep the system dry. if it gets wet, wipe it dry
immediately.
• Use and store the system only in normal temperature environm ents.
• Handle the system gently and carefully. Don’t
drop it.
• Keep the system away from dust and dirt.
• Wipe the system with a damp cloth occasionally to keep it looking new.
Modifying or tampering with the intercom system’s
internal components can cause a malfunction and
invalidate its warranty . If your syst em is not per forming as it should, take it to your local RadioShack
store for assis tance.
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THE FCC WANTS YOU TO KNOW
Your interco m system m ight ca use TV or r adio i nterference even when it is opera ting proper ly. To determine whether your system is causing the
interference, turn it off. If the interference goes
away, your system is causing it. Try to eliminate the
interferen ce by:
• Moving your system away from the receiver
• Contacting your local RadioShack store for
help
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SPECIFICATIONS
Receiver
Input Sensitivi ty at Output 50 mW .............. 200 µV
Output Power at 10% Distortion .............. 300 mW
Frequency Response (–6 dB at VR max.) :
600 Hz–4000 Hz
Transmitter
Mic. Sensitivity at Output 50 mW ............... 200 µV
Output Power at 10% Distortion ............... 160 mW
Frequency Response (–6 dB at VR max.) :
600 Hz–4000 Hz
General
Dimensions:
Stations (HWD) ............. 4
1
1
8
× 3
/
/3 × 11/2 Inches
(105 × 85 × 38.4 mm)
Weight:
Master Station (Without Battery) .. 5 oz (135 g)
Remote Station .............................. 4 oz (110 g)
Specifications are typical; individual units might
vary. Specifications are subject to change and improvement without notice.
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Limited Ninety-Day Warranty
This product is warr anted by RadioShack agains t manufacturing
defects in materi al and workma nship under normal use for ninety
(90) days from the date of purchas e from RadioShack comp anyowned stores and authorized RadioShack franchi sees 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 DURATION OF THE WRITTEN LIMITED WARRANTIES
CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABIL IT Y OR RES PONSIB ILIT Y 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 RESULTING FROM INCONVENIENCE, LOSS OF TIME,
DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT,
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
EVEN I F Radi oSh ack HAS B EEN AD VISED OF T HE PO SSIBI LITY OF SUCH DAMAGES.
Some states d o not allow the l imitations on h ow long an impli ed
warranty lasts or the exclusion of incidental or consequential damages, so the above limitations or exclusions may not apply to you.
In the event of a pr oduct defect dur ing the warranty per iod, take
the product and the RadioShack sales receipt as proof of purchase date to any RadioShack stor e. RadioShack will, at its option, unless oth erwise provided by la w: (a) correct the defect by
product repair without charge for parts and labo r; (b) replace the
product with one of the same or similar design; or (c) refun d the
purchase pri ce. All replaced parts and p roducts, an d products on
which a refund is made, become the property of RadioShack. New
or reconditioned parts and products may be used in the perf ormance of warranty service. Repaired or replaced
(Continued)
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(Continued)
the ori
ment of the product made after the expiration of the warrant
This warrant
tributable to acts of God, abuse, accident, misuse, improper or abnormal usa
maintenance, a lteration, li
a
e or current; (b) any repairs other th an those provided by a RadioShack Authorized Service Facilit
or batteries; (d) cosmetic da ma
surance costs; or (f) costs of product removal, installation, set-up service ad
This warrant
other ri
parts and products are warrant ed for the remainder of
inal warranty period. You will be charged for repair or replace-
does not cover: (a) d amage or failure c aused by or at-
e, failure to follow instructions, improper installation or
ustment or reinstallation.
ives you sp ec ifi c legal rights, and you may also have
hts which vary from state to state.
RadioShack Customer Relations, Dept. W,
100 Throckmorton St., Suite 600, Fort Worth, TX 76102
htning or other incidence of excess volt-
; (c) consumables such as fuses
e; (e) trans portation, shi pping or in-
period.
We Service What We Sell
3/97
RadioShack
A Division of Tandy Corporation
Fort W orth, Texas 76102
811081320A
5A8N Printed in China
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