5. Sight a field bearing to
landmark ‘1’ – 320° (green
scale), this example.
· See Section 4.1, Forward
Mirror Sighting
, for help.
6. With both covers open to
180°, place clear base of
8099 next to landmark ‘1’,
on the map.
7. With green
scale set to
320°, pivot compass around
landmark ‘1’ until blue
orienting circle outlines red
circled "N". (Fig 23)
8. Draw the 320° map bearing
line using the side of the
base, passing through
landmark ‘1’.
· Your position is some
where along this line.
(Fig 23)
9. Repeat process for
landmarks ‘2’ (50°) and
‘3’ (90°).
Either a point or a small
triangle will form at the
intersection of the three
lines. Your position is at
the point, or within the
small triangle. (Fig 24)
13
Figure 23
Figure 24
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