Stanley Fatmax Stud Finder 400 Manual Verified -

This is the most critical section of the manual. The manual explicitly states that calibration must happen away from the wall or on a section of the wall you know is empty.

When the unit detects a stud, it will display its relative position. A "Center" icon and audible tone indicate the center of the stud. Use the built-in marking channel at the top of the unit to note the spot. Key Features & Specifications

Wires enclosed in metal conduits or thick plastic jacketing may not be detected. Always turn off the breaker before drilling. 🧰 Troubleshooting and Accuracy Tips stanley fatmax stud finder 400 manual verified

A user approaches a wall to hang a TV. They switch the FatMax 400 on, and the "Ready" LED turns green instantly—no holding down buttons. As they slide the tool across the surface, the display shows a clear, full-color visual representation of the stud edges. Suddenly, the device emits a distinct chirp and the display flashes red, indicating a live wire running vertically behind the drywall, allowing the user to adjust their mount location safely.

Stanley Tools Customer Support [insert contact information] This is the most critical section of the manual

: If there is no "R" inside, stop using the device and contact Stanley Tools Support at (866) 215-1132 for a free replacement. Troubleshooting Tips How To Use a Stanley Stud Finder

When the center is found, the unit will beep and typically illuminate a center-finding light or arrow. A "Center" icon and audible tone indicate the

This manual reflects the operation of the Stanley FatMax Stud Finder 400 as confirmed by: