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© Leica TPS-System 1000 Programs-2.3.1en 287
IV
EL
AH
OH
BS
SM
AS
FS
BL
HB
KM
FB
SA
PZ
LB
TB
CO
RP
Measure to the current position of the prism pole.
The value for "∆XS Hgt Diff" needs to be zero or close
to it. When this value is zero the catch point has been
determined. However, the value for "∆Chainage" is also
important. This value shows where the actual point is in
relation to the chainage of the cross section being used.
In the sample display shown, the value for "∆XS Hgt
Diff" is 1.089 m. The value is positive which means the
catch point is higher than where the measurement was
taken. Therefore the rodperson would look for a spot
that is approximately 1 m higher than the current point.
Now look at the value for "∆Chainage". This indicates
where the prism pole is in relation to the chainage. In
this example, the rodperson would move approximately
3 m to his/her right looking towards the instrument. If
the value is negative the pole would be moved to the
left.
In addition, the horizontal distance from centerline is
displayed which is 9.867 m for this example.
After moving to a new location, measure a distance to
the prism and view the results. When the "∆XS Hgt
Diff" and "∆Station" are at or near zero the catch point
has been located both vertically and horizontally for the
chosen chainage.
Record the staked out position.
The "SLOPE STAKING" display returns and another
catch point can be staked.
Exit the slope staking program.