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How to Set Up the PMP, Continued
How to Align
Figure 2-16 illustrates how the PMP looks when it is aligned with no
with 0° Error
gyro error. The ruler is aligned on any parallel (latitude line) and the
scale lock is released, the moveable compass rose is aligned as shown
and the scale lock is tightened. The PMP is now aligned to true north
and is ready to plot LOPs or courses.
Figure 2-16. PMP dialed in with 0° gyro error.
Aligning the
Figure 2-17 illustrates how the PMP looks when aligned with 30° W or
PMP with Gyro
2° E gyro error. The ruler is aligned on any parallel (latitude line) and
Error
the scale lock is released, the moveable compass rose is aligned as
shown, and the scale lock is tightened.
Figure 2-17. PMP dialed in with gyro error.
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