: Open the rear compartment and connect a fresh 9-volt alkaline battery .
The is an essential tool for homeowners and DIYers who need to find wall studs for hanging heavy items like TVs, shelving, or mirrors. Understanding how to use its sensors and calibration features is key to ensuring you don’t miss the stud and end up with unnecessary holes in your wall. Quick Setup & Calibration stanley fatmax stud finder 400 manual
: Place the stud finder flat against the wall where you know there is no stud (knocking to find a "hollow" sound can help). : Open the rear compartment and connect a
: Keep the device still until you hear a final beep or see the "READY" icon. Calibration typically takes 1–3 seconds. How to Find Studs Once calibrated, you can begin your scan. Quick Setup & Calibration : Place the stud
: When the device detects the edge of a stud, it will beep or light up.
Before scanning, your device must be calibrated to the specific density of your wall surface.