Stanley Fatmax Stud Finder 400 Manual Verified -

Includes dedicated modes for wood studs, metal scanning (up to 3 inches deep), and AC tracking to avoid live electrical wires.

Provides clear visual feedback on the tool's readings, even in low-light environments.

Note: If you calibrate directly over a stud, the unit may not function correctly. Move it a few inches and recalibrate if you get no readings. stanley fatmax stud finder 400 manual verified

Unlike basic models that only find edges, this sensor uses electronic signals to pinpoint the exact center of a stud in a single pass.

Use the (the notch at the top) to note the spot with a pencil. Safety and Troubleshooting Tips YouTube·Dave Does DIY How To Use a Stanley Stud Finder Includes dedicated modes for wood studs, metal scanning

When the appears and a constant tone sounds, you have found the center.

Sounds distinct tones when it successfully calibrates and when it reaches the center of a stud. Operating Instructions (Verified Manual Steps) 1. Preparation and Battery Installation Open the battery compartment on the back of the unit. Move it a few inches and recalibrate if you get no readings

Connect a (Type 6LR61) to the clip and secure it.

The unit will emit a series of tones as it calibrates to the wall's density.

While continuing to hold the activation button, slide the sensor slowly across the surface in a straight line.