4
Applications
94
Field Station NPL-632 Instruction Manual
Measuring circle offsets
1.
To enter the circle center calculation function,
press
[7]
or select
Circle
in the Offset menu.
If you have not taken a measurement to the
circle before entering this function, a temporary
measurement screen appears.
2.
Sight any point on the surface of the circle and
then press
[MSR1]
or
[MSR2]
.
3.
Sight one edge of the circle and then press
[ENT]
.
4.
Sight the other edge of the circle and then press
[ENT]
.
The instrument calculates and records the center
of the circle.
It also calculates the coordinates of the center
point and the radius of the circle.
5.
To record the point, press
[ENT]
or the
OK
softkey.
If you use a prism attached to the surface of the circle for the distance measurement, press the
+SD
softkey to
eliminate the offset error (from the attached point to the measured surface of the prism) before you press
[ENT]
.
If you have taken a distance measurement to the center of the circle, press the
Calc
softkey to calculate the
offset using one edge angle observation.
Summary of Contents for NPL-632
Page 1: ...Version A1 1 0 May 2006 Field Station NPL 632 Instruction Manual ...
Page 8: ...Contents viii Field Station NPL 632 Instruction Manual ...
Page 14: ...Safety 16 Field Station NPL 632 Instruction Manual ...
Page 110: ...4 Applications 96 Field Station NPL 632 Instruction Manual ...
Page 168: ...6 Checking and Adjustment 154 Field Station NPL 632 Instruction Manual ...
Page 180: ...8 System Diagrams 166 Field Station NPL 632 Instruction Manual ...
Page 196: ...9 Communications 182 Field Station NPL 632 Instruction Manual ...
Page 206: ...10 Error Messages 192 Field Station NPL 632 Instruction Manual ...