... LCD display 4. Power:Battery, DC, leaf area meter, leaf area scanner, leaf area calculator1. nstructions 1.1 Switching: 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 and ... 001 shows the first measurement, A=123456 means the area of this measurement, unit is mm2. Press the ...