Figure 23.
SN-386/FPN-40.
aa. On the precision display of the radar CRT, the lower rectangle
is the azimuth display.
bb. Proper adjustment of the EXPANSION AZ control R1510 will place
the top of the azimuth portion of the precision display approximately
1/8 inch below the center grid line of the CRT grid line face plate
(Figure 24).
21
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