Point To Arc - Pentax R-422VN Instruction Manual

7.3 Point to Arc

Set Station Point (SP), Target Point (P) and an arbitrary circle, then obtain the distance from
point P to the arbitrary circle.
SOP->ARC the distance from Target Point (P) to the circle
When radius is 0, the figures of the distance between SOP and ARC is shown as a positive (+)
figure. When point P is outside the circle, the figures of the distance between SOP and ARC
is shown as a positive (+) figure.
ARC
P O
+
When point P is inside the circle, the figures of the distance between SOP and ARC is shown
as a negative (-) figure
ARC ARC
O
P
-
Select 3. POINT TO LINE and press [ENT] to view
POINT TO ARC screen.
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