TM5-6675-326-14
6-6.2.29 Vertical Cross Sections - Continued
c.
d .
e.
f .
g.
h .
i .
j .
k .
Load preprogrammed magnetic card (para 6-6.2.10), Program
I I , i n t o c a l c u l a t o r .
Tape map or drawing to be measured to table.
Select correct tracer arm length.
NOTE
Tracer arm length should be shortest one
possible that will allow entire shape to be
measured without moving the planimeter.
If needed, aline planimeter with tracer arm length selected
( p a r a 6 - 6 . 2 . 1 4 ) .
NOTE
F a c t o r y d e t e r m i n e d RT value is given on Calibration
Records Sheet provided with equipment.
Alinement
is performed as a check.
Key in horizontal scale and vertical scale of contour map or
photo and RT v a l u e .
( 1 ) K e y i n h o r i z o n t a l s c a l e ; p r e ss
m.
( 2 ) K e y i n v e r t i c a l s c a l e ; p r e ss
==
(3) Key in RT v a l u e ; p r e ss
w=
Key in section interval of contours to be measured; press
A.
Determine if object contour described is cut (excavation) or
f i l l ( e m b a n k m e n t ).
I f o b j e c t i s f i l l , p r e s s ~ . If
o b j e c t i s c u t,
press ~ and b .
Press INIT button to clear calculator.
K e y i n v a l u e f o r e l e v a t i o n o f f i r s t s t a t i o n p o i n t t o b e
measured.
NOTE
I f c o n t o u r i s c u t , f i r s t s t a t i o n p o i n t e l e v a t i o n
should be largest.
I f c o n t o u r i s f i l l , f i r s t
station point elevation should be smallest .
6-83
