TM 5-6675-316-14
NOTE
Be sure measuring system, preset values, and scale are selected correctly.
(10) Set XY display for operation (paragraph 3-6.3b).
(11) Turn teletype power switch to LINE.
(12) Digitize arc as follows:
NOTE
Fine adjustment devices may be necessary for precise positioning.
(a) Locate starting point of arc with dotting microscope or digitizing lens.
(b) Press X.
(c) Move to some point on arc approximately halfway to end.
(d) Press A.
NOTE
Displayed coordinate on arc is not sent to teletype. It is stored for use in
calculating center point, radius, and rotation of arc.
(e) Move to endpoint of arc and press B.
NOTE
If endpoint of last arc is also beginning of next arc, it is not necessary to repeat
the first step. Repeat second and third steps only.
3-96
Change 1
