Pentax R-422VN, Инструкция по эксплуатации

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Press [F5] [ENT] to save one of intersection point.
The PN, X, Y, Z and PC are viewed and can be edited.
If all items are OK, press [F5] [ACCEPT] to save them.
8.1.7 Distance offset
Offset distance of new point to the line and distance of Start point to new point are
displayed. Also New Point on the line is calculated by point of start, end, and offset.
You can store the New Point.
Input: line: Start Point (SP) and End Point (EP)
Offset Point (OP)
Output: New Point
Offset of New Point from the line
(moving in the direction from Start point to End Point, right is positive,
left is negative)
Distance of New Point from Start point
From the PowerTopoLite screen, press [F2] [CALC]
to view the CALCULATION screen.
(+)
SP
EP
Offset P
New Point
Offset P
(-)
Offset
Distance