Step 1:Choose the Metal Scan mode to test
Important notice:calibrate it before every scan

Press Power Button to turn on the tool. put it on the wall where you want to detect, and choose the Scan Mode, then press the Scan Button to start calibration, the decreasing bars will disappear and the calibration is completed. Note: It is important to wait for calibration to complete(2-3 seconds)

Step 2: Scan the wall
Then move the stud finder along the wall slowly, if shake or lift the stud finder accidently, the device needs to re-calibrate.

The narrow on the screen together with the beep signal alter, it means you to find the location of the stud.

Step 3: Find the location of the stud
When the signal bar is full and the beep alarm is loudest, it means you have found the center of an object.Mark it with your pencil.