Radio Shack 900Mhz Wireless Intercoms 43 124 Users Manual
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2015-01-21
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43-124 900Mhz Wireless Intercoms Thank you for purchasing the 900Mhz Wireless Intercoms from RadioShack. With a line of site of up to 200 feet, you can use your new intercoms in large areas. You can also connect auxillary audio sources and weather radio (neither included). 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. In VOX mode, there is a short delay between when you NOTE start talking and intercom transmission. RECEIVE BUSY Lights when you receive a voice message or when you monitor a locked intercom. Flashes when channel is in use. using ac adaptor Insert the AC adapter into the DC 9V jack and a standard AC outlet to power your intercom and/or charge batteries. • You must use a Class 2 power source that supplies regulated 9V DC and delivers at least 350 mA. Its center tip must be set to NOTES positive and its plug must fit the intercom’s DC 9V jack. Using an adapter that does not meet these specifications could damage the intercoms or the adapter. • The correct orientation for this power unit is in a vertical or floor mount position. LOCK To monitor continuously, press until the TRANSMIT indicator flashes. Press TALK to unlock. When an intercom is in the LOCK mode, it cannot receive voice messages or call NOTE tones from the other intercom. TALK Hold down and speak into the MIC, release to listen when VOX mode turns off. CALL Press to sound a tone (or call) on another intercom for about three seconds. using rechargeable batteries MIC 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. what’s included Please read this user’s guide before installing, setting up and using your new product www.radioshack.com 43-124.indd 1 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. WARNING You must slide the RECHARGE ON/OFF switch to ON before charging rechargeable batteries. setting the channel and sub tone Wireless Intercoms (2) AC Adapters (2) User’s Guide ©2007 RadioShack Corporation. All rights reserved. RadioShack and RadioShack.com are trademarks used by RadioShack Corporation. 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 (1500 mAH) batteries charge in about 12 hours. • NiCd (700 mAH) batteries charge in about 4 hours. AC adapter 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. Use a pointed object to set the first three switches (labeled SUB TONE) inside the battery compartment you want to use. SUB TONE CH RECHARGE ON/OFF AO0286AAC1 43-124 07A07 Printed in China 07/25/2007 11:34:13 mounting the intercom specifications • Be sure you install the intercoms at least 10 feet away from each other. Or, you may hear a squeal from the speakers. NOTES • The intercoms can transmit up to 200 feet line of sight. 1. Align horizontally to position and drill two holes smaller than the screws. 3. Align the intercom’s keyhole slots with the mounting screws and slide the intercom down onto it to secure. 315/16” 1/4” 1/8” 2. Thread a anchor and screw (not supplied) into each hole. 4. Lift and rotate the antenna up so it stands vertically. Channel Selectivity ± 500KHz ..................................................................................................................................... .................. 50 dB Squelch Threshold .................................................................................................................................................... ......... 20 dB SINAD S/N at 1mV input, ± 38KHz deviation (A-weight) (@ROP) ........................................................................................................ ... 50 dB 10% THD Output Power ...................................................................................................................................................... ....... 500 mW RX Current Drain at Reference Output ................................................................................................................................. ...... 140 mA RF Power Output at 50 Ω ..................................................................................................................................................... ...... +3 dBm MIC Input Sensitivity (@38 kHz Deviation) ............................................................................................................................... ...... 3 mV AUX Input Sensitivity (@38 kHz Deviation) ............................................................................................................................. ..... 90 mV Sub Tone Deviation ................................................................................................................................................................ ...... 10 KHz Call Tone Deviation ................................................................................................................................................................... .... 35 KHz Alert Tone Deviation ................................................................................................................................................................... .. 35 KHz TX Current Drain ................................................................................................................................................................ ............ 65 mA Battery Low Indication ............................................................................................................................................................ ......... 4.2 V Minimum Operation Voltage (Battery) .................................................................................................................................. .......... 3.8 V Operation Range (line of sight) ................................................................................................................................................... 200 feet Overall Frequency Response (–3 dB Bandwidth) ................................................................................................................... 400 - 7kHz Current Drain at Standby Mode .......................................................................................................................................... .......... 24 mA Charging Time for 80% ....................................................................................................................................................... ........ 14 hour AUX VOX Sensitivity ............................................................................................................................................................... ...... 25 mV Mic VOX Sensitivity........................................................................................................................................................................... 2 mV Weather Alarm Input Sensitivity (load current) . .............................................................................................................................. 1mA Specifications are subject to change and improvement without notice. Actual product may vary from the images found in this document. connecting an audio source To transmit audio to each intercom, connect AUX INPUT of a intercom to an audio source’s output jack (such as AUX OUT or TAPE OUT) through an audio cable (not supplied). Follow the instructions in the owner’s manual for your audio equipment to play audio. • If you use the AUX broadcasting feature and also use the weather radio inputs, you MUST connect the Weather radio alarm’s output to the unit that is using the AUX broadcasting feature. The weather radio inputs must not be connected to a unit that is RECEIVING the broadcast. NOTES • Always connect the weather radio’s alarm output to the intercom you frequently use to broadcast. • If your audio sources cable does not have the appropriate connector to attach to the intercom, use an adapter available at your RadioShack store or at RadioShack.com. RF Emissions Information AUX INPUT This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or relocate the receiving antenna. • Increase the separation between the equipment and receiver. • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult your local RadioShack store or an experienced radio/TV technician for help. If you cannot eliminate the interference, the FCC requires that you stop using your intercom. Changes or modifications not expressly approved by RadioShack may cause interference and void the user’s authority to operate the equipment. WX INPUT NOTES AC Adapter plug The AUX INPUT for audio source is disabled when VOX mode is activated. Only use the antenna attached to this product. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. connecting a weather radio listening to an audio source • Each intercom can broadcast from a connected audio source only when the channel to which it is set to is not being used to transmit voice from one intercom to another. • You can only broadcast from one intercom at a time. • Adjusting VOLUME on the intercoms does not change the intercom’s input sensitivity. 43-124.indd 2 To transmit weather alerts to each intercom, connect the WX INPUT of a intercom to your weather radio’s ALERT OUT terminals. Follow the instructions in the owner’s manual for your weather radio to create a weather alert. • If you connect an intercom to both a weather radio and an audio source and both sources are playing at the same time, the intercom always sounds the weather alert first. • The intercom’s weather alarm will only shut off after the weather radio alerts expire or after you manually stop the weather radio alert. To avoid disturbing neighbors/pets if you are away from the weather radio, turn off the intercom or lower the volume before leaving. • To stop the alert from a weather radio, it is recommended to manually reset the ALERT OUT terminal of the weather radio. For example on the RadioShack 12-262 weather radio, you must press the WEATHER/SNOOZE button twice during an alert to reset ALERT OUT (refer to the User’s Guide for your specific weather radio model). • The RadioShack Cat. No.12-262 weather radio (not supplied) has alert output terminals you can use to connect to the intercoms. Limited 90-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 authorized RadioShack company-owned stores and authorized RadioShack franchisees and dealers. For complete warranty details and exclusions, check with your local RadioShack store. RadioShack Customer Relations 300 RadioShack Circle Fort Worth, TX 76102 04/04 07/25/2007 11:34:14
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