User's Manual

In the record mode, push up or down to change scale. Push enter will display
total area amount.
Change calculate unit: The unit is meter square. (SQ.M) or kilometer
square (SQ. KM).
English unit is foot square (SQ. FT) or mile
squire (SQ. MI) or acre( ACRE).
Continue: Continue “ AREA CALCULATE“ mode.
Exit: Exit “AREA CALCULATE” mode.
7-1-2 Continue to Calculate
Continue calculate last area. The operation is the same as “ 7-1-1
START ”.