Radio Shack Intercom System 43 222B User Guide

43-222b.fm Page 1 Thursday, August 12, 1999 3:55 PM  
Cat. No.  
43-222B  
OWNER’S MANUAL  
Please read before using this equipment  
Two-Station Wired  
Intercom System  
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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 Ra-  
dioShack Cat. No. 23-553.  
Caution:  
Use only a fresh battery of the required  
size and recommended type.  
1. With the master station (the unit with the vol-  
ume control) face up, open its case by inserting  
a coin into the slot between the top and bottom  
of the case and twisting 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 bat-  
tery’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 prop-  
erly. Do not burn or bury it.  
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CONNECTING THE STATIONS  
Choose the most convenient locations for the mas-  
ter 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 66-  
foot-long cable into the remote station’s jack. Plug  
the connector on the other end of the cable into the  
master station’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 install the stations farther than 66 feet apart,  
you can make a connecting cable of 22 gauge  
1
wire (Cat. No. 278-862) and two /8-inch two-  
conductor plugs (Cat. No. 274-288).  
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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.  
5/32"  
Drill two holes 25/8 inches (67 mm)  
apart. Then thread a screw into  
each hole, letting the heads ex-  
5
tend about /32 inch (4 mm) from 
25/8  
"
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the wall.  
Align the keyhole slots with the  
mounting screws and slide the sta-  
tion downward to secure it.  
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OPERATION  
USING THE MASTER STATION  
Speaker/  
Microphone  
PUSH TO TALK  
Button  
VOLUME  
Control  
To send a loud tone to the remote station, be sure  
VOLUME  
OFF  
PUSH TO TALK  
. Then press  
is set to  
.
VOLUME  
To talk from the master station, rotate  
to  
PUSH TO TALK  
the left until it clicks, then hold down  
PUSH TO  
and speak in a normal voice. Release  
TALK  
VOLUME  
to the  
to hear the response. Rotate  
left or right to increase or decrease the listening lev-  
el.  
Note:  
VOLUME  
setting does not affect the  
The  
sound from the master station’s microphone.  
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To save battery power, set VOLUME to OFF when  
you finish using the intercom system.  
To monitor activity around the remote station, rotate  
VOLUME to the left until it clicks. Adjust VOLUME as  
necessary to hear sounds through your master sta-  
tion’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 CALL while talking or listening to  
the master station.  
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CARE  
To enjoy your RadioShack Two-Station Wired Inter-  
com 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 tem-  
perature environments.  
• 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 occasion-  
ally 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 system is not perform-  
ing as it should, take it to your local RadioShack  
store for assistance.  
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THE FCC WANTS YOU TO KNOW  
Your intercom system might cause TV or radio inter-  
ference even when it is operating properly. To deter-  
mine whether your system is causing the  
interference, turn it off. If the interference goes  
away, your system is causing it. Try to eliminate the  
interference by:  
• Moving your system away from the receiver  
• Contacting your local RadioShack store for  
help  
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SPECIFICATIONS  
Receiver  
Input Sensitivity 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) ............. 41/8 × 31/3 × 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 im-  
provement without notice.  
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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 RadioShack company-  
owned stores and authorized RadioShack franchisees and deal-  
ers. 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, Ra-  
dioShack SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO  
CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RE-  
SPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DI-  
RECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF  
THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS  
WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAM-  
AGES 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 POSSIBIL-  
ITY OF SUCH DAMAGES.  
Some states do not allow the limitations on how long an implied  
warranty lasts or the exclusion of incidental or consequential dam-  
ages, 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 RadioShack sales receipt as proof of pur-  
chase date to any RadioShack store. RadioShack will, at its op-  
tion, 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 perfor-  
mance of warranty service. Repaired or replaced (Continued)  
15  
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(Continued) parts and products are warranted for the remainder of  
the original warranty period. You will be charged for repair or replace-  
ment of the product made after the expiration of the warranty period.  
This warranty does not cover: (a) damage or failure caused by or at-  
tributable to acts of God, abuse, accident, misuse, improper or abnor-  
mal 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 Ra-  
dioShack Authorized Service Facility; (c) consumables such as fuses  
or batteries; (d) cosmetic damage; (e) transportation, shipping or in-  
surance costs; or (f) costs of product removal, installation, set-up ser-  
vice 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  
We Service What We Sell  
3/97  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
811081320A  
5A8N  
Printed in China  
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