TM5-6675-326-14
6-6.2.19 Measuring Surface Area of Slope - C o n t i n u e d
(12) Set auto-scaler X MEMORY switch to 1.
(13) Set calculator OFF/ON switch to O N.
(14) Set calculator MAN/TRACE/NORM switch to NORM.
(15) Set calculator PRGM/RUN switch to RUN.
( 1 6 ) P r e s s f o l l o w i n g k e y s:
c. Set up planimeter for area measurement (para 6-6.2.17).
CAUTION
Hold magnetic cards by edge.
Be sure hands are
clean.
Grease, oil, or other materials can
damage magnetic cards.
d.
Load preprogrammed card (para 6-6.2.10), Program 1, into
calculator.
e.
Tape map or drawing to be measured to table.
f .
If needed, aline planimeter with tracer arm length selected
(para 6-6.2.14).
R e c o r d RT v a l u e.
N O TE
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.
g.
Position planimeter near shape to be measured so that tracer
arm lies along imaginary line through center of shape.
Set
wheels so that their axles form 90° angle with tracer arm.
h .
E n t e r i n t o c a l c u l a t o r h o r i z o n t a l a n d v e r t i c a l s c a l e s of
shape and RT
( 1 ) K e y i n
( 2 ) K e y i n
( 3 ) K e y i n
value.
h o r i z o n t a l s c a l e ; p r e s s
v e r t i c a l s c a l e ; p r e s s IRRTER$I.
RT v a l u e ; p r e s s B.
6-60
