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25.
Digital
Storage Display Adjustments
A-IA?
A3A3
A3Al
INTENSITY
LINE
TRIGGER CONTROL
GENERATOR
!12
R51
R50
-HRESH Y 8 & H BAL
X
S
& H
BAI
A3A2
A3A3
R34
SWP OFFSET
A3Al
Figure 3-90. Location of Digital Storage Display Adjustments
5. Adjust
A3A2R12
LL THRESH fully clockwise. See Figure 3-90 for
location of adjustment.
6. Adjust
A3A3R6
XLL so that horizontal graticule lines just meet
the vertical graticule lines at the left and right sides of the
graticule. See Figure 3-90 for location of adjustment.
7. Adjust
A3A3R9
YLL so that vertical graticule lines just meet the
horizontal graticule lines at the top and bottom of the graticule.
See Figure 3-90 for location of adjustment.
8. Repeat steps 6 and 7 until horizontal and vertical lines are
adjusted so that they meet the edges of the graticule but do not
overshoot.
9. Adjust
A3A2R12
LL THRESH fully counterclockwise.
10. Adjust
A3A3R7
XSL so that horizontal graticule lines just meet the
vertical graticule lines at the left and right sides of the graticule.
11. Adjust
A3A3R8
YSL so that the vertical graticule lines just
meet the horizontal graticule lines at the top and bottom of the
graticule.
12. Repeat steps 10 and 11 until horizontal and vertical graticule lines
are adjusted so that they meet at the edges of the graticule but do
not overshoot.
3-146 Adjustments