20 Most Recent Black & Decker BLACK DECKER BDL153S Stud Metal Sensor BULLSEYE Questions & Answers

This unit is self calibrating. There is no method for manually calibrating this tool. Just hold the sensor flat against the wall and depress the button. After a few seconds the unit is calibrated and you can begin sliding it smoothly across your wall to detect studs and wires.

Rotate the laser to center horizontal (H) or vertical (G) bubble vials

I just bought one too and instructions need deciphering. Select wood or metal with selector switch. Put unit flat against wall. Press and hold on/off button on left. (It looks like it must be kept pressed in at all times to be 'on' and when released it's 'off). The unit with calibrate and give a beep back and lower red LED will stay on. Move unit slowly left/right and more red LEDs light up until green is on. This is 1st edge. Mark it with pencil. Move unit along until Green is off and down to single LED. Then move it back in opp. direction until Green is on again. This is 2nd edge. Attached is a scan of page from Instruction Manual. Quality is lowish as attachment limit here is 150kb.

You can download it from this site. http://www.howtomendit.com/answers.php?id=349922 Mercedes Custom Parts

Check to make sure battery isn't bad first.. If upon changing the battery, it still doesn't work, the laser might be bad or worn out. Good luck... HDTV GURU JAY

Battery is old...time for a new one.

Same exact features, buttons and functions as this manual by Irwin.

http://www.irwin.com/uploads/documents/36_laser_tape_25.pdf