16
Adding and subtracting single measurement
Addition
a) Take the first reading by pressing the read button.
b) Press the addition / scroll up button. A “+” symbol will appear on
the display screen.
c) Take the second reading by pressing the read button. The values
will be added automatically with the results shown on the display
screen.
Subtraction
a) Take the first reading by pressing the read button.
b) Press the subtraction / scroll down button. A “-” symbol will appear
on the display screen.
c) Take the second reading by pressing the read button. The values
will be subtracted automatically with the results shown on the display
screen.
d) Press off / clear button to exit addition or subtraction mode.
To clear the previous measurement, press the off / clear
button.
Adding and subtracting area measurement
a) Take the area measurement as described in the Area Measurement
section (pg 11) .
b) Press the addition / scroll up button or the subtraction / scroll
down button. A “+” or “-” symbol will appear on the display screen.
c) Take the second area measurement as described in the Area
Measurement section (pg 11) .
d) Press the menu / equal button. The values will be calculated
automatically with the results shown on the display screen.
e) Repeat step two and three to add or subtract more area
measurements.
i
Summary of Contents for LDM120
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