20 Most Recent Stanley 77-720 Stud Sensor 200 Questions & Answers

The stud finder works by picking up density of the product it is pressed and slid on..Turn your stud finder on make sure the ok light is on...then slightly press it against the wall or surface you are working with,,then slowly moved it right or left still against the surface. As the finder starts to detect more density "thickness" it will. Glow or beep depending what type you have..It will get brighter,louder or what ever it signals are while crossing the stud beneath the surface..keep moving until it stops then move back again until it stops.....mark or note the position where the signal starts then find the middle...2x4's are 1 1/2 inches across...so center should be 3/4 of an inch...good luck..

Without knowing what room you are using it in it could be a underlayment of wire mesh that you are reading. If it is an older home this was used often as a backing for plaster instead of lath.Thank you.

Hold the stud sensor against the wall where the wall sounds hollow (no stud at this location). Hold the button down while you slide the unit horizontally. When it moves over a stud, it will give you a solid beep and the display will show you a solid vertical line. If it starts beeping intermittently, you may have started over a stud which will cause an error.
Do not lift the sensor off the wall when you slide it as this will also cause an error.

Question edited for clarity. The LED Area Light or the Unit display. The backlit display always stays on to alert you to the internal battery status, so that when you come to use it, it should be fully charged. https://www.manualslib.com/manual/2188388/Stanley-Fatmax-Pp1dcs.html?page=2&term=light&selected=1#manual

I'm having same problem... anyone know?

replace battery. Check your manual that came with unit. copy and paste Stanley fat max power it 1000a battery

Select a location that is relatively level and flat. The edge of a bench is best so that the level can be placed in the same position when the level is rotated during the calibration process. To calibrate follow below: Press and hold Calibrate button for about 4 seconds. The display will now show CAL1. Press the Calibrate button briefly again and the 1 will flash, a beep will be heard and CAL2 will be displayed. Rotate the level 180° end to end with the display still facing you whilst the level is now upside down. Place the level in the same location. Press the Calibrate button briefly one last time. The 2 will flash, a beep will be heard and the display will revert back to normal.

From the the attached photo I see that you have completely disassemble the tape. This makes the tape almost impossible to reassemble. The spring has to be back wound fully, the blade attached and retracted back into the case using the back wound spring. This requires special equipment that is not overly complicated, however not possible to make for a once off use. I have designed, built and trained operators to use this type of equipment in a production situation, however in my 35 years of experience I have never been seen anyone back wind a spring by hand. Sorry to say but the tape is ready for the trash.

It is a known issue! https://www.google.com/search?q=stanley+fatmax+powerit+1000a+wont+turn+off ..

stanley fatmax jumpstarter 1000A light wont turn off?

TAKE IT BACK TO THE DEALER

Most stud finders have a sensitivity adjustment that should be carefully adjusted per instruction manual before use. Failure to do this results in erroneous indications. If you have adjusted exactly per the instructions with the same result the unit is probably faulty.