Steps
STEP 1
Press and hold the power button on the side of the tool, making sure to place the hand below the indicated line shown on the tool.
Tools
![press and hold side button](https://2e1293630802db8d0d56-50fcdb1c10e3e49a3d1b0541a2f13b69.ssl.cf1.rackcdn.com/projects/steps/f1c8ed6c350741e08ab2d6b855a543d4.png)
STEP 2
Continue to hold down the power button and the LED lights will flash to indicate that the tool is calibrated.
Tools
![hold down the power button](https://2e1293630802db8d0d56-50fcdb1c10e3e49a3d1b0541a2f13b69.ssl.cf1.rackcdn.com/projects/steps/33a7bb9bd2a5403f980f4ddfe1f2c381.png)
STEP 3
Continue to hold the power button and move the tool slowly across the surface. Once a stud is found, all the LED lights will illuminate.
Tools
![slowly moving tool across wall](https://2e1293630802db8d0d56-50fcdb1c10e3e49a3d1b0541a2f13b69.ssl.cf1.rackcdn.com/projects/steps/06b37043e058449f962fca086634a7f5.png)
STEP 4
Once the stud is found press the button to mark where the stud is.
Tools
![Marking stud](https://2e1293630802db8d0d56-50fcdb1c10e3e49a3d1b0541a2f13b69.ssl.cf1.rackcdn.com/projects/steps/9611b356ecce48c2a2d2e090a6b3d52d.png)
TIP #1
If the LED lights calibrate, but no lights appear when it is moved, move the device and calibrate again.
Tools
![troubleshooting whole stud detector](https://2e1293630802db8d0d56-50fcdb1c10e3e49a3d1b0541a2f13b69.ssl.cf1.rackcdn.com/projects/steps/80f5fbe765ea4d3d97407376705373b4.png)
Tip #2
If the LED lights flash repeatedly, move the device and calibrate the LED lights again.
Tools
![re-calibrating device](https://2e1293630802db8d0d56-50fcdb1c10e3e49a3d1b0541a2f13b69.ssl.cf1.rackcdn.com/projects/steps/d8c0818859484c75a5f34d6295174557.png)