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43-492 OWNER’S MANUAL Please read before using this equipment. Two-Station FM Wireless Intercom 43-492.fm Page 2 Friday, August 13, 1999 10:02 AM FEATURES Your RadioShack Two–Station FM Wireless Intercom is an advanced one-channel intercom system that is convenient 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 communications. Built-in Frequency 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 station. Expandable — individual boxed sets are labeled by frequency (A, B, or C), so you can add additional stations with the same frequency to your system, or set up a separate system on a different frequency. © 1998 Tandy Corporation. All Rights Reserved. RadioShack is a registered trademark used by Tandy Corporation. 2 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 ! 43-492.fm Page 3 Friday, August 13, 1999 10:02 AM 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 ! 43-492.fm Page 3 Friday, August 13, 1999 10:02 AM ! This symbol is intended to alert you to the presence of uninsulated 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 operating and maintenance instructions are included in the literature accompanying this product. The graphical symbols with supplemental markings are on the bottom of each unit. 3 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 produces 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. 4 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 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 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 respon...