Press the function button until the rectangle icon appears. Measure the length and then the width; the device will automatically calculate the total square footage.
Use these buttons for adding or subtracting consecutive measurements. Advanced Measurement Modes foneso f100 user manual work
Press once to turn the device on or to activate the laser. Press again to take a measurement. Press the function button until the rectangle icon appears
Long press to cycle between measuring units (meters, inches, feet). foneso f100 user manual work
