TM 5-6675-323-14
NOTE
S l o p e ratio can be determined by using the
Slope ratio should be given.
given horizontal scale and vertical scale.
vertical scale
=
scale
ratio
invert to
horizontal scale
vertical scale
horizontal scale
= 1/5 invert to 5/1 or 5:1 scale ratio
horizontal
scale
=
10
Example:
vertical scale
50
(e)
Key
in
ratio
slope;
press
and
b.
(9) Press CLEAR button to clear auto-scaler.
(10) Trace boundary of shape using dot in lens tracing assembly. Stop when
you reach the starting point.
(11) Press foot switch to activate PRINT command and freeze count.
NOTE
Calculator will print area of shape.
Horizontal area in square feet will
be printed first, followed by the true surface area in square feet.
(12) Keeping foot switch depressed, reposition planimeter near next shape to
be measured.
(13) Repeat steps (9) through (11).
Measuring slopes to be added and/or subtracted. This procedure follows
measuring surface area of slope (paragraph 9-6.2q) steps (1) through (9). A f t e r
completing steps (1) through (9), follow the steps provided below to add or subtract
f r o m slope measurement obtained.
(1) If slope to be measured will be added, press
.
(2) If slope to be measured will be subtracted, press
and c .
(3) Press CLEAR button to clear auto-scaler.
(4) Trace boundary of shape using dot in lens tracing assembly. Stop when
you reach starting point.
(5) Depress foot switch to activate PRINT command and freeze count.
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