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GD
V%
rSD
3Pt angle
The 3Pt Angle function calculates the angle between
two lines defined by three points.
To calculate a 3Pt angle:
1.
2.
3.
4.
When you press the MsrPT softkey, a temporary measuring screen appears. Sight the target and press [MSR1]
or [MSR2] to take a measurement.
After the measurement, a recording point screen appears. To store the
measured point, enter the PT, HT, and CD values and press [ENT]. To use the
point without recording it, press [ESC].
5.
To change the contents of the result screen, press
–
Grade (HD/VD)
100/GD
Slope distance PT1 to PT2
Press
or select
3Pt Angle
[2]
menu.
P1 is the base point. Two lines are to be defined
by P2 and P3, both from P1.
Enter the point name, or use the
to take a measurement to the point.
Enter the second point (P2) to define the
baseline (P1-P2). The angle (dHA) is measured
from the baseline.
Enter the third point (P3) to define the second
line (P1-P3).
When you have entered three points, the
instrument calculates the angle and distances.
Do one of the following:
To return to the Inverse menu, press
–
To return to the Input BasePt screen, press
–
.
[ESC]
in the Inverse
softkey
MsrPT
.
[ENT]
Field Station NPL-632 Instruction Manual
Menu Key
.
[DSP]
1 05
5
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