Skil ME9821-00 Guide D'utilisation page 22

When the area measurement symbol and the area measurement
is shown on the display, you may press the Main Button to
return to the display to show the last two measurements (Fig.15).
Fig. 15
1x
NOTE: When the last two measurements are measured by the two
different measuring modes, one is by laser-measuring and another
is by wheel-measuring, area measurement can also be activated
and shown on the display by pressing the Main Button twice in
quick succession.
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