c. Place
RANGE
NAUTICAL
MILES
switch
S1501
to
PREC
20
(Figure 14).
d. Rotate the grid line face plate to the position where the grid
lines are vertical (Figure 6).
e. Adjust the PRECISION HORIZONTAL CENTERING control R1506
(Figure 30) to position the start of the precision sweep (left edge
of sweep) to correspond with the first grid line from the left
(Figure 31).
NOTE:
The first grid line from the left is approximately 1 inch
from CRT edge.
Figure 30.
PRECISION HORIZONTAL CENTERING
control R1506.
28
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