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It also covers receiver power setup, signal cable handling restrictions, transmitter battery installation for calibration, and step-by-step system testing and permanent mounting to reduce false activations.",{"@graph":14,"@context":71},[15,34,54],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/technology/","Technology",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/mighty-mule-wireless-driveway-alarm-fm231-installation-manual-ac-access-systems-professional-residential/664283/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":48,"encodingFormat":47,"isAccessibleForFree":49,"interactionStatistic":50},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/mighty-mule-wireless-driveway-alarm-fm231-installation-manual-ac-access-systems-professional-residential/664283.png","ImageObject",300,407,{"name":42,"@type":43},"pixelkiddo","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-29",true,{"@type":51,"interactionType":52,"userInteractionCount":26},"InteractionCounter",{"@type":53},"ViewAction",{"@type":55,"mainEntity":56},"FAQPage",[57,63,67],{"name":58,"@type":59,"acceptedAnswer":60},"How does the FM231 wireless driveway alarm work?","Question",{"text":61,"@type":62},"The electromagnetic sensor detects vehicles in motion and sends a signal to the indoor receiver. The receiver chimes when it receives the signal and turns on the visitor alert LED.","Answer",{"name":64,"@type":59,"acceptedAnswer":65},"Where should the sensor be placed to avoid false signals?",{"text":66,"@type":62},"Place the sensor immediately next to the driveway to maximize range, but at least 25 feet from roadways and neighbor’s driveways or large moving metal objects. Clear 25 ft in all directions of metal tools, toys, and automobiles during testing and installation.",{"name":68,"@type":59,"acceptedAnswer":69},"What are the key guidelines for installing and connecting the transmitter?",{"text":70,"@type":62},"Install “AA” batteries at the site where the transmitter will be located for proper calibration. Keep 2–3 inches of slack in the sensor cable to protect the connector, and run the sensor cable through a PVC conduit if needed, without splicing the signal cable.","https://schema.org",{"og:url":32,"og:type":73,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":75,"canonical":32},"index,follow",{"doc_id":77,"site_id":7},664283,1793250134,{"code":4,"msg":80,"data":81},"success",[82,86,90,94,99,103,108,113,118,121,125],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":83,"show_sort_weight":84,"slug":85},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":87,"show_sort_weight":88,"slug":89},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":91,"show_sort_weight":92,"slug":93},"Exam",70,"exam",{"id":95,"doc_module":4,"doc_module_name":25,"category_name":96,"show_sort_weight":97,"slug":98},5,"Comic",60,"comic",{"id":100,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":101,"slug":102},6,50,"technology",{"id":104,"doc_module":4,"doc_module_name":25,"category_name":105,"show_sort_weight":106,"slug":107},7,"Healthcare",40,"healthcare",{"id":109,"doc_module":4,"doc_module_name":25,"category_name":110,"show_sort_weight":111,"slug":112},8,"Research & Report",30,"research-report",{"id":114,"doc_module":4,"doc_module_name":25,"category_name":115,"show_sort_weight":116,"slug":117},9,"Religion & Spirituality",20,"religion-spirituality",{"id":116,"doc_module":4,"doc_module_name":25,"category_name":119,"show_sort_weight":116,"slug":120},"World Cup","world-cup",{"id":122,"doc_module":4,"doc_module_name":25,"category_name":123,"show_sort_weight":122,"slug":124},10,"Lifestyle","lifestyle",{"id":126,"doc_module":4,"doc_module_name":25,"category_name":127,"show_sort_weight":95,"slug":128},19,"General","general",{"code":4,"msg":80,"data":130},{"doc_id":77,"user_id":131,"nickname":42,"user_avatar":132,"doc_module":4,"category_id":100,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":26,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":114,"language":138,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":139,"faqs":140,"seo_title":141,"seo_description":12,"update_tm":78,"read_time":142},962090883892,"https://ap-avatar.wpscdn.com/avatar/e00115db34f3e0f11b?x-image-process=image/resize,m_fixed,w_180,h_180&k=1790152879550218658","User Manual of Product 1:  \nMighty Mule Wireless Driveway Alarm (FM231)  \nACCESS SYSTEMS  \nPROFESSIONAL RESIDENTIAL  \nDriveway Alarm  \nI N S T A L L A T I O N M A N U A L  \nA C  \nE D  \nB  \nKit Includes:  \nA. Transmitter  \nB. Sensor  \nC. Receiver  \nD. Transformer  \nE. Mounting post (3 pcs)  \nHow It Works:  \nThe electromagnetic sensor detects vehicles in motion and sends a signal to the indoor receiver. The indoor receiver will chime when it receives the signal.  \n[www.mightymule.com](www.mightymule.com) • [www.gtoaccess.com](www.gtoaccess.com)  \nGates that Open, LLC • 3121 Hartsfield Road • Tallahassee, Florida 32303 1-800-543-GATE (4283)• Technical Support 1-800-543-1236  \n©2012 Gates That Open, LLC Printed in China for Gates That Open, LLC. Rev. 03.04.12  \nInstallation Overview  \nPlace the SENSOR immediately next to the driveway to maximize the sensing range, but at least 25 feet from roadways, neighbor’s driveways or large moving metal objects.  \nThe cable connecting the SENSOR and TRANSMITTER allows for the placement of the TRANSMITTER away from the driveway in the concealment of landscape or closer to the RECEIVER.  \nThe approximate transmitting range from the TRANSMITTER to the RECEIVER is 400 ft. Range can vary depending on environmental conditions such as RF interference and topography. Some adjustment may be required.  \nNOTE: DO NOT place the TRANSMITTER in the direct path of a sprinkler. The TRANSMITTER is water resistant but not waterproof.  \nIf you don’t use the full length of signal cable from the SENSOR to the TRANSMITTER, coil the extra cable and bury it beside the transmitter stake.  \nUp to 400 ft. range from transmitter to receiver  \nSenses vehicles and large moving metal objects within a 12 ft. radius  \nPlace Driveway Sensor at least 25 ft. from roadways, neighbor’s driveways to prevent false signals  \nROADWAY  \nFor Optimum Performance:  \n• Locate the SENSOR as far as possible away from power transformers, power lines, underground gas line, and telephone lines.  \n• Locate the SENSOR away from general moving traffic to prevent unwanted activation. Remember that the SENSOR detects MAGNETIC DISTURBANCES caused by a vehicle’s mass and velocity.  \n• Range distance is approximate and will vary due to outside interference, type of soil, vehicle mass, speed, etc.  \n• It is recommended that you run the Signal Cable inside PVC conduit to prevent accidental damage.  \n• Do not run the Signal Cable in conduit with other wires such as AC power or other control wires.  \n• The SIGNAL CABLE CANNOT BE SPLICED.  \n2 Wireless Driveway Alarm Instruction Manual • 03.04.12  \nSensor Placement  \nDetermining Sensor Location  \nIMPORTANT: Clear an area 25 ft. in all directions of metal tools, toys and automobiles, to prevent magnetic disturbance during testing and installation.  \n• Determine the optimum location for the SENSOR using the information found in “Installation Overview.”  \n• Dig a hole approximately 1 ft. deep and 1 ft. long within 2 ft. and parallel to the edge of the driveway.  \n• Place the SENSOR flat in the hole and parallel to the driveway.  \n• Keep the SENSOR and the cable uncovered at this time.  \nHOUSE or BUILDING  \nwhere RECEIVER is located  \nTransmitter Placement Determining Transmitter Location  \n• Choose a location for the TRANSMITTER module that is far enough from the driveway edge that vehicles are unlikely to hit it.  \n• Run the SENSOR cable through the PVC mounting post and plug it into the connector at the bottom of the Transmitter module.  \n• Leave 2” to 3” of slack in the cable to prevent damage to the connector when the transmitter is removed.  \n• Test the chosen location before permanently trenching and setting the TRANSMITTER (see “Placing Receiver and Testing System” section) .  \nConnect Sensor Cable to Transmitter Module  \nLeave 2” to 3” of slack in the Sensor Cable  \nWireless Driveway Alarm Instruction Manual • 03.04.12 3  \nInstalling Transmitter Batteries  \nIMPORTANT: “AA” batteries must be installed a","cbCaiqfk7pPBOcu7","https://ap.wps.com/l/cbCaiqfk7pPBOcu7","pdf",1430071,"English","# Installation Overview\n# Sensor Placement\n## Determining Sensor Location\n# Transmitter Placement\n## Determining Transmitter Location\n# Installing Transmitter Batteries\n# Placing Receiver and Testing System\n## Receiver Placement\n# Testing the System\n# Permanently Install Sensor and Transmitter","[{\"question\":\"How does the FM231 wireless driveway alarm work?\",\"answer\":\"The electromagnetic sensor detects vehicles in motion and sends a signal to the indoor receiver. The receiver chimes when it receives the signal and turns on the visitor alert LED.\"},{\"question\":\"Where should the sensor be placed to avoid false signals?\",\"answer\":\"Place the sensor immediately next to the driveway to maximize range, but at least 25 feet from roadways and neighbor’s driveways or large moving metal objects. Clear 25 ft in all directions of metal tools, toys, and automobiles during testing and installation.\"},{\"question\":\"What are the key guidelines for installing and connecting the transmitter?\",\"answer\":\"Install “AA” batteries at the site where the transmitter will be located for proper calibration. Keep 2–3 inches of slack in the sensor cable to protect the connector, and run the sensor cable through a PVC conduit if needed, without splicing the signal cable.\"}]","Mighty Mule Wireless Driveway Alarm (FM231) - Installation Manual - AC Access Systems Professional Residential | PDF",23]