P0 Instrument station
P1 Centre point of cylindrical object
Hz1 Horizontal angle to a point on the left side of the object
Hz2 Horizontal angle to a point on the right side of the object
d Distance to the object in the middle between Hz1 and Hz2
R Radius of cylinder
a
Azimuth from Hz1 to Hz2
1. Press FNC.
2. Select Offset from the functions menu.
3. Select Cylinder from the Dist. Offset menu.
Hz Left To trigger measurement for the left side
of the object.
Hz Right To trigger measurement for the right
side of the object.
Field Description
Hz Left Measured horizontal direction to the left side of the object.
Hz Right Measured horizontal direction to the right side of the object.
∆Hz Deviation angle.
Prism OFS Prism offset distance between the centre of the prism and the surface of the
object to be measured. If the EDM mode is Non-Prism, the value is set to zero
automatically.
Step by step
1. Using the vertical hair, aim at the left side of the object and press Hz Left.
2. Using the vertical hair, aim at the right side of the object and press Hz Right.
Press OK to confirm the measurement.
3. Rotate the instrument to aim in the direction of the centre point of the cylindrical
object, until ∆Hz is zero.
If using a prism, enter the prism offset.
4. Once ∆Hz is zero, press ALL to complete the measurement and display the results.
The coordinates of the centre point are calculated and displayed.
Access
Cylinder offset
Functions 39
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