TM5-6675-326-14
6-6.2.24 Linear Measuring Probe Measurements Without the Calculator -
Continued
(8) Set AUDIO/OFF switch on back panel of auto-scaler to
AUDIO .
(9) Set auto-scaler B/ACCU/A/OFF switch to A.
(10) Set auto-scaler MAN/AUTO switch to MAN.
(11) Set auto-scaler X MEMORY switch to 1.
(12) Set calculator OFF/ON switch to OFF.
(13) Set auto-scaler NORMAL/SCALE switch to SCALE.
c .
Tape map or drawing to be measured to table.
d.
C a l c u l a t e l i n e a r s c a l e c o n s t a n t , CL , using the following
equation:
C L =
Linear scale constant
S c =
Scale ratio of drawing or map
R L =
Alinement constant (found on Calibration Records Sheet
provided with equipment)
e.
E n t e r t h r e e m o s t s i g n i f i c a n t d i g i t s o f l i n e a r s c a le
constant,
C L , into auto-scaler using scaler dials .
( 1 ) S e t f i r s t m o s t s i g n i f i c a n t d i g i t o n l e f t - h a n d d i a l.
(2) Set second most significant digit on middle dial.
( 3 ) S e t t h i r d m o s t s i g n i f i c a n t d i g i t o n r i g h t - h a n d d i a l .
(4) Example:
If CL i s 1 0 . 5 7 1,
left-hand dial should read
1, middle dial should read 0, and right-hand dial
should read 5.
f .
S e t d e c i m a l s e l e c t o r a c c o r d i n g t o v a l u e o f f i r s t s i g n i f i c a n t
d i g i t o f l i n e a r s c a l e c o n s t a n t , CL .
NOTE
Decimal selector switch sets decimal place
for auto-scaler LED display.
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