Here’s a direct excerpt from typical instructions (the common blue/black model from Harbor Freight):
Here are some additional tips to help you get the most out of your Pittsburgh 5 in 1 Stud Finder: pittsburgh 5 in 1 stud finder instructions
: Place the device flat against the wall in an area where you suspect there are no studs. Press and hold the scan/power button. The device will beep or flash once calibration is complete. How to Find a Stud Here’s a direct excerpt from typical instructions (the