1. leaf area meter 2. leaf area scanner 3. leaf area calculator leaf area meter, leaf area scanner, leaf area calculator1. nstructions 1 ... : press the "power" key , LCD display "Leaf area, Meter-B"; Press the "Power" key again to ... M7: Other Reserve 1.3. Measure the leaf area:1.3.1 Press the "function" key ... shows the first measurement, A=123456 means the area of this measurement, unit is mm2. Press the ...