TM 5-6675-326-14
6-6.2.19 Measuring Surface Area of Slope - Continued
NOTE
Slope ratio should be given. Slope ratio can be determined by using the recipro-
cal of given horizontal scale and vertical scale.
5:1 = slope ratio
(4) Key in slope ratio (Enter 5); press ~ and b.
i.
Press CLEAR button to clear auto-scaler.
j.
Trace boundary of shape using dot in lens tracing assembly. Stop when you reach starting point.
k.
Press foot switch to activate Print command and freeze count.
NOTE
Calculator will print area of shape. Horizontal area in square feet will be print-
ed first followed by true surface area in square feet.
1.
Keeping foot switch depressed, reposition planimeter near next shape to be measured. Repeat steps
i through k.
6-6.2.20 Measuring Slopes To Be Added and/or Subtracted. This procedure follows Measuring Surface Area
of Slope (para 6-6.2.19), steps a through i. After completing steps a through i, follow the steps provided below to add
or subtract from slope measurement obtained.
a.
If slope to be measured will be added, press ~,
b. If slope to be measured will be subtracted, press q and c.
c.
Press CLEAR button to clear auto-scaler.
d.
Trace boundary of shape using dot in lens tracing assembly. Stop when you reach starting point.
Change 1
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