Radio Shack 900Mhz Wireless Intercoms 43-124 User's Manual

Radio Shack Intercom System User's Manual - 900Mhz Wireless Intercoms 43-124.
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Please read this user’s guide before 

installing, setting up and using your new product

www.radioshack.com

43-124

900Mhz Wireless Intercoms

Wireless Intercoms (2)

AC Adapters (2)          User’s Guide

what’s included

Insert the AC adapter into the DC 9V jack and a standard 

AC outlet to power your intercom and/or charge 

batteries.

• YoumustuseaClass2powersourcethat

suppliesregulated9VDCanddeliversat

least350mA.Itscentertipmustbesetto

positive and its plug must fit the intercom’s 

DC9Vjack.Usinganadapterthatdoesnot

meet these specifications could damage the 

intercomsortheadapter.

• Thecorrectorientationforthispowerunitis

in a vertical or floor mount position.

using ac adaptor

©2007 

RadioShack Corporation. 

All rights reserved. 

RadioShack and 

RadioShack.com are trademarks 

used by 

RadioShack Corporation.

AO0286AAC1

43-124

07A07

Printed in China

By default your two intercoms are on the same 

channel, but you can change your intercom channels 

for your system. Or, if you receive interference on a 

channel you selected, set each intercom to one of eight 

different sub tones. Complete the following to change 

the intercoms channel or sub tone:
1.  Open the battery compartment of the intercom and 

set the SUB or CH switches. 

2. Useapointedobjecttosetthefirstthreeswitches

(labeled SUB TONE) inside the battery compartment 

you want to use. 

setting the channel and sub tone 

SUB TONE

CH

RECHARGE ON/OFF

Battery Notes:
•  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.

•  If you do not plan to use the intercoms with 

batteries for a week or more, remove the batteries. 

Batteries can leak chemicals that can destroy 

electronic parts.

•  Dispose of old batteries promptly and properly. Do 

not burn or bury them.

•  Always connect the AC adapters to the intercoms 

before connecting them to AC power. 

• Do not attempt to charge alkaline batteries and 

never install non-rechargeable batteries when 

RECHARGE ON/OFF is set to ON. Nonrechargeable 

batteries can get hot or explode if you try to charge 

them.

To charge rechargeable batteries (not included), slide 

the RECHARGE ON/OFF switch to ON, install batteries, 

plug in the AC adapter, then turn on the intercom. 

Complete charging takes about 12 to 14 hours. Average 

charging time varies with different battery capacity. 

• NiMH(1500mAH)batterieschargeinabout

12hours.

• NiCd(700mAH)batterieschargeinabout4

hours.

using rechargeable batteries

 LOCK 

  To monitor continuously, press until the 

TRANSMITindicatorflashes.PressTALK to 

unlock.

 WhenanintercomisintheLOCKmode,

itcannotreceivevoicemessagesorcall

tonesfromtheotherintercom.

  CALL 

  Press to sound a tone (or call) on another 

intercom for about three seconds.

You must slide the RECHARGE ON/OFF 

switch to ON before charging rechargeable 

batteries.

WARNING

AC adapter

  VOX 

  For hands-free communication, press 

VOX until the VOX level indicator lights 

to communicate through the intercom 

hands-free. Repeatedly press VOX 

to set the sensitivity level, from low, 

medium, to high.

  VOX function turns off when VOX level 

indicator turns off. 

InVOXmode,thereisashort

delaybetweenwhenyou

starttalkingandintercom

transmission.

MIC

NOTES

  ON/OFF VOLUME

  (Right Side) Turn VOLUME until it clicks to turn 

on, the POWER/BATT LOW indicator lights, 

then adjust VOLUME to a comfortable listening 

level.

Thankyouforpurchasingthe900MhzWirelessIntercoms

from

RadioShack.Withalineofsiteofupto200feet,

youcanuseyournewintercomsinlargeareas.Youcan

alsoconnectauxillaryaudiosourcesandweatherradio

(neitherincluded).

NOTE

RECEIVE BUSY 

Lights when 

you receive a 

voice message 

or when you 

monitor a locked 

intercom. Flashes 

when channel is 

in use.

  TALK 

  Hold down and 

speak into the 

MIC, release to 

listen when VOX 

mode turns off.

NOTE

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