In the search bar of the support page, type exactly: . Do not add extra words. If the manual is not immediately visible, check for a "Legacy Products" section.
Removes human error associated with reading a metal tape.
Press to power on the device. A red laser dot will appear. Aim the laser dot at your target wall or surface. Keep the device completely still and press MEAS again.
Remove the battery compartment lid, insert two AAA batteries (following the polarity signs), and close the lid securely.