TM5-6675-326-14
6-6.2.33 Area Measurements on Aerial Photographs of Unknown Scale or
Magnification - Continued
(8) Set AUDIO/OFF switch on back
AUDIO .
(9) Set auto-scaler B/ACCU/A/OFF
panel of auto-scaler to
switch to A .
(10) Set auto-scaler MAN/AUTO switch to AUTO.
(11) Set auto-scaler X MEMORY switch to 1.
(12) Set calculator OFF/ON switch to ON.
(13) Set calculator MAN/TRACE/NORM switch to MAN.
(14) Set calculator PRGM/RUN switch to RUN.
( 1 5 ) P r e s s f o l l o w i n g k e y s : ~, 1- ,~ , and=.
CAUTION
Hold magnetic cards by edge. Be sure hands
are clean.
Grease, o i l , o r o t h e r m a t e r i a l s
can damage magnetic cards.
c. Load preprogrammed magnetic card (para 6-6.2.10), Program
I V , i n t o c a l c u l a t o r .
d.
Tape photograph to be measured to table.
e . S e l e c t c o r r e c t t r a c e r a r m l e n g t h .
NOTE
Tracer arm length should be shortest one
possible that will allow entire shape to be
measured without moving the planimeter.
f .
Aline planimeter with tracer arm length selected (para
6 - 6 . 2 . 1 3 ).
Record RT value.
NOTE
Factory determined RT v a l ue
Records Sheet provided with
is performed as a check.
is given on Calibration
equipment.
Alinement
6-89
