--- title: "Why It Beeps: Fixing False Alarms | Qyvea" url: https://qyvea.co.ke/why-it-beeps-metal-detector-kenya description: "Keys, belts, shoes and settings: the five usual causes. A short visual guide for Kenya: tray, setting, position." updated: 2026-10-19 --- > Markdown copy of https://qyvea.co.ke/why-it-beeps-metal-detector-kenya for AI assistants. Prices and stock change; check the live page. 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The person who left last month may still be able to walk in. Read on: it takes a few minutes and could save you a lot more than that. **In this guide you will see:** - A tray beside the arch for keys and phones - Lower sensitivity for the site, not for the day - Keep large metal objects away from the arch Quick answer Keys, belts, shoes and settings: the five usual causes. A walk-through metal detector checks each guest in about a second. [Photo: Jakub Zerdzicki / Unsplash](https://unsplash.com/photos/36K2PZYNfcM) Why this matters now ## Every day with uncontrolled doors is a day you cannot say who was inside. ### If you wait - Keys copied and never returned - A leaver who still holds access - No record of who entered the store room ### What you get - Cards, fingerprints or faces set by door and by hour - Remove a person in one click - A log of every entry [Rosslare AC G44 Reader](/products/rosslare-ac-g44-reader-22147 "Rosslare AC G44 Reader")[ZKTeco ZK LMB -2805](/products/zkteco-zk-lmb-2805-maglock-2637 "ZKTeco ZK LMB -2805 MAGLOCK")[Dahua DH-ARD312 access controller](/products/dahua-dh-ard312-access-controller-13950 "Dahua DH-ARD312 access controller") [Get my free quote on WhatsApp](https://wa.me/254113301244?text=Hi%20Qyvea%2C%20I%20read%20your%20guide%3A%20Why%20It%20Beeps%3A%20Fixing%20False%20Alarms.%20I%20want%20access%20control%20sorted.%20Can%20you%20help%3F)Reply usually within 30 minutes. Free site survey in Nairobi and nearby counties. Real products, live prices, in stock now ## Key takeaways - A tray beside the arch for keys and phones - Lower sensitivity for the site, not for the day - Keep large metal objects away from the arch - Staff explain what to remove ## The short version Keys and coins ~ drop in the trayBelt and shoes ~ common triggersSensitivity ~ too high for the venueNearby metal ~ doors and shelves ## Four things to know **Tray**: A tray beside the arch for keys and phones **Setting**: Lower sensitivity for the site, not for the day **Position**: Keep large metal objects away from the arch **Training**: Staff explain what to remove ## Before and after #### Before Every guest alarms Staff search everyone Guests grow annoyed #### After Settings tuned to the site Tray stops pocket alarms Only real alarms stop a guest ## In stock now ## Get a free survey **When to call a professional**: Tell us about your site. We survey for free, quote in writing, then supply, install, configure and train. See the [price guide](https://qyvea.co.ke/walk-through-metal-detector-price-in-kenya). Call [0113 301 244](tel:+254113301244) or [WhatsApp us](https://wa.me/254113301244?text=Hi%20Qyvea%2C%20I%20need%20help%20with%20a%20walk-through%20metal%20detector). ## Frequently asked questions Why does it alarm on a belt buckle? Belt buckles contain metal. A tray or a lower setting solves most cases. Can false alarms be eliminated? They can be reduced a lot with the right setting, position and a tray. Do you provide screening staff? No. Qyvea supplies, installs, configures and trains. Your own staff operate it. ## Why customers choose Qyvea **Genuine brands**: Manufacturer warranty on what we sell, so you are not gambling on the box. **One team, start to finish**: The people who advise you also install and support it. **Fast answers**: WhatsApp replies usually within 30 minutes, and delivery within 24 hours in Nairobi. **Easy to buy**: Pay by M-Pesa, bank transfer or card. Free delivery in Nairobi on orders over KES 5,000. **Risk taken off you**: 7-day returns and exchanges on products, and a workmanship warranty on installations. **Customers say so**: Rated 4.6/5 from 57 Google reviews. **Your next step takes one minute:** send us a photo of the place on WhatsApp and we will tell you what it needs. ## Related articles [Access Control · Guide Walk-Through Metal Detector for Exam and Training Centres A fair exam begins at the door. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/walk-through-metal-detector-for-exam-and-training-centres-kenya)[Access Control · Guide Walk-Through Metal Detector for Corporate Offices Make reception the first line of confidence. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/walk-through-metal-detector-for-corporate-offices-kenya)[Access Control · Guide 6, 18 or 33 Zones? Choose Without the Jargon More zones tell staff where on the body to look. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/zones-made-simple-metal-detector-kenya) ### Related services [Metal Detectors](https://qyvea.co.ke/walk-through-metal-detector-price-in-kenya)[Access Control](https://qyvea.co.ke/door-access-control-kenya) ### Related products [Browse the Qyvea shop](https://qyvea.co.ke/products) ### Related projects [Real Qyvea case studies](https://qyvea.co.ke/projects#case-studies) [← Previous**Where to Put the Detector at Your Entrance**](https://qyvea.co.ke/where-to-put-the-detector-metal-detector-kenya)[Next →**: Why Long Queues Cost Your Business Money**](https://qyvea.co.ke/why-queues-cost-your-business-kenya) ## Need this system installed? Talk to Qyvea. We design, install and maintain it. Chat with us — 30 min response --- **Qyvea Limited** · Westlands, Nairobi, Kenya (delivery only, no walk-in pickup) · serving all 47 counties Phone/WhatsApp: [+254 113 301 244](https://wa.me/254113301244) · Email: info@qyvea.co.ke · Shop: [qyvea.co.ke/products](https://qyvea.co.ke/products) · Facts: [qyvea.co.ke/qyvea-facts](https://qyvea.co.ke/qyvea-facts)