Stanley Fatmax Stud Finder 400 Manual Jun 2026

: Only once the "Ready" icon appears on the LCD—and the beeping stops—are you clear to move. Moving too early or starting directly over a stud will cause a calibration error, signaled by flashing lights or intermittent beeping. The Scan: Finding the Edge and Center

Once calibrated, keep the activation button depressed throughout the scan. stanley fatmax stud finder 400 manual