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ADT Manuals & User Guides

ADT is a leading provider of electronic security, fire protection, and smart home automation solutions for residential and business customers.

Tip: include the full model number printed on your ADT label for the best match.

About ADT manuals on Manuals.plus

ADT Inc. is a premier American security company dedicated to providing comprehensive safety solutions for homes and businesses. With a history dating back to 1874, ADT has evolved from a telegraph-based alert system to a leader in modern smart home security and professional monitoring services.

The company offers a wide array of products, including intrusion detection alarms, video surveillance cameras, smart locks, and life safety devices such as smoke and carbon monoxide detectors. Headquartered in Boca Raton, Florida, ADT serves millions of customers with a robust network of professional monitoring centers that operate 24/7/365.

Their systems integrate seamlessly with mobile apps and smart home platforms, allowing users to control their security, view live video feeds, and manage automation settings remotely. Whether for a single-family home or a large commercial enterprise, ADT provides tailored security ecosystems designed to protect people and property.

ADT manuals

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ADT Touchscreen Quick Start Guide

Vodič za brzi početak
Quick start guide for the ADT Touchscreen, providing setup instructions, important safety information, and regulatory compliance details.

ADT manuals from online retailers

ADT iCamera 1000 Home Security Camera User Manual

iCamera 1000 • December 24, 2025
The ADT iCamera 1000 monitors your home or business in low light or dark environments. This manual provides essential information for the setup, operation, and maintenance of your…

ADT HZB-45YY Commercial Ice Maker Instruction Manual

HZB-45YY • October 7, 2025
Comprehensive instruction manual for the ADT HZB-45YY Commercial Ice Maker, covering setup, operation, maintenance, and troubleshooting for efficient crescent-shaped ice production.

ADT HOME SECURITY SYSTEM USER GUIDE

ADT Home Security System • September 12, 2025
Smart Home Security Manual, Everything You Need to Know about ADT Indoor and Outdoor Security System

ADT Commercial Ice Machine HZB-36F User Manual

HZB-36F • August 26, 2025
Comprehensive user manual for the ADT HZB-36F Commercial Ice Machine, covering installation, operation, maintenance, troubleshooting, and specifications for this undercounter or freestanding ice maker with 80lbs daily capacity.

ADT UNIMODE 4520-235 User Manual

4520-235 • 11. august 2025.
Comprehensive user manual for the ADT UNIMODE 4520-235, providing detailed instructions for setup, operation, maintenance, troubleshooting, and technical specifications for this fire safety component.

ADT Fire Alarm Circuit Board 4520-330 User Manual

4520 330 • 11. august 2025.
User manual for the ADT Fire Alarm Circuit Board 4520-330, providing detailed instructions for installation, operation, maintenance, and troubleshooting of this essential fire alarm system component.

ADT video guides

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ADT support FAQ

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  • How do I replace the battery in my ADT sensor?

    Most ADT sensors use standard batteries like CR123A or coin cells. To replace, locate the slot on the sensor casing, use a flathead screwdriver to open it, and swap the old battery for a new one observing polarity. Refer to the specific device manual for model-specific instructions.

  • Where can I find the user guide for my ADT security panel?

    User guides for systems like the ADT Command, Pulse, or Focus series can be found in the ADT Support Center or downloaded from the manuals directory on this page.

  • How do I set up Two-Factor Authentication for my ADT account?

    Log in to your ADT Smart Services app or web portal. You will be prompted to set up Two-Factor Authentication (2FA) via email or an authenticator app. Follow the on-screen instructions to verify your identity and secure your account.

  • What should I do if my alarm goes off accidentally?

    Enter your user code or disarm the system immediately via the ADT app. If the monitoring center calls, provide your verbal password to cancel the dispatch and prevent a false alarm fee.