
4. Final Display Adjustments (SN 3001A and Below)
5. For best overall focusing of the display, adjust the following
potentiometers in the sequence listed below:
a. AlA3R14 FOCUS LIMIT for best focus of graticule lines (long
vectors)
b. AlA2R36 ASTIG
c. AlA2R30 FOCUS GAIN for best focus of annotation (short
vectors)
6. Adjust
AlA2R31
ORTHO, the front-panel ALIGN control, and
AlA2R32
PATT to optimize the orientation and appearance of the
rectangular graticule pattern on the CRT display.
7. Repeat steps 4 through 6 as needed to optimize overall display
focus and appearance.
PZN
R27
GAIN
\
AlA4/AlA5
R31
R32
R36
R30
ORTHO
PATT
ASTIG
FOCUS GAIN
AlA
Figure 3-30.
Location of Final Display Adjustments on
AlA2,
AlA4,
and
AlA
3-64 Adjustments
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