Stanley Fatmax Stud Finder 400 Manual Verified ((top)) Guide

Feature Name: InstaSense™ Auto-Calibration & Live Wire Warning

Part 8: Security & Compliance (From the Verified Manual)

For professional users and safety inspectors, here are the direct compliance notes from the manual: stanley fatmax stud finder 400 manual verified

1" (25mm) Mode: Double-click the activation button for thicker walls. 1-1/2" (38mm) Mode: Triple-click for deep scanning. Note: If you calibrate directly over a stud,

Stanley FatMax Stud Sensor 400 Go to product viewer dialog for this item. Wood: How to check : Open the battery cover

Note: If you calibrate directly over a stud, the unit will not function correctly. Move it a few inches and try again if it fails to beep.  Scanning for Studs 

Metal vs. Wood:

How to check: Open the battery cover. If you see a date code starting with "R", your unit is not defective.