Stanley Fatmax Stud Finder 400 Manual High Quality -

: Press and hold the activation button on the side. The device will emit a series of tones or show a "CALIBRATING" message on the LCD.

: Place the stud finder flat against the wall where you know there is no stud (knocking to find a "hollow" sound can help).

: With the button still held down, slide the device horizontally across the wall. Moving too fast can lead to inaccurate readings. stanley fatmax stud finder 400 manual

Before scanning, your device must be calibrated to the specific density of your wall surface.

: The midpoint between your two marks is the safest place to drive a screw. How To Use a Stanley Stud Finder : Press and hold the activation button on the side

: 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.

: Open the rear compartment and connect a fresh 9-volt alkaline battery . : With the button still held down, slide

using the integrated marking channel at the top of the device.