How to use
Press the UNIT button to determine the measurement reference point.Press the LASER ON button to measure a single distance.Press and hold the button for 3 seconds to enter continuous measurement mode.Continuous measurement mode displays the real-time distance.Press the FUCN button to freely switch between area measurements, volume measurements, Pythagoras 2-point measurements, Pythagoras 3-point measurements, etc.Press the button once to enter area measurement mode.Press twice to switch to volume measurement mode.Press 3 times for Pythagoras 1 to 2 point measurements, press 4 times to switch to Pythagoras 2 to 3 point measurement mode.