User's Manual

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5.7 LINE & EXTEND POINT
The extension function computes extend point
from the base line, calculate the unknown
coordinate from two known points and the
extend distance.
Known:
P1, start point
P2, end point
BN, extend distance
Unknown:
P, Extend point
HA: The current horizontal angle.
VA: The current vertical angle.
Pt 1: The slide distance of P1
Pt P2: The slide distance of P2
[Measure]: Measure the first or second point.
[View]: View the result.
[Dist]: Input the extended distance
[Save]: Save the extension point.