Spectra Precision Survey Pro v3.80 Recon iPAQ User Manual - Manual (Page 168)

User’s Manual
160
Curve and Offset
The Curve and Offset screen allows you to design a curve and stake it
in the field. You can stake the curve’s centerline or an offset to the
curve at any specified station interval.
Define Your Curve
1. Tap 6WDNHRXW , &XUYH DQG 2IIVHW from the Main
Menu.
2. If you have not yet setup your backsight, tap the
%DFNVLJKW« button and set it up.
3. Specify the point that you will use for the PC of your
curve in the
PC Point field.
Tip: You can use the power button, to select a point
from your map.
4. Define the direction of the tangent azimuth at the PC
of your curve by selecting
3& 7DQJHQW $]P or
3& 7DQJHQW %UJ and enter the appropriate value in
this field.
5. Define the size of the curve by selecting
5DGLXV, 'HJUHH $UF,
or
'HJUHH &KRUG and enter the appropriate value in this field.
Note: Since the length of the curve is not required, you can
potentially stake a 360º curve.
6. Select the radio button that defines if the curve turns toward the
Left or Right as you view the curve from the PC.
7. Enter the station that you want to assign to the PC in the Begin
Station field. (This value is typically zero.)