Leica Geosystems Leica mojoXact Plus - Manual (Page 24)

24 Running the mojoXact Plus for the First Time, Leica mojoXact Plus
4. Enter the measurements required for the vehicle type that you have selected.
5. To accept the values and proceed through the setup wizard to the Terrain
Compensation screen, select .
To cancel any changes to the values and return to the Vehicle Type screen, select
.
Terrain compensa-
tion, step-by-step As this is the first time that a terrain compensation is to be performed, the Terrain
Compensation screen appears with New Compensation selected by default. To
perform terrain compensation you must have the vehicle in a suitable location that
has a flat area large enough to be able to turn the vehicle around.

If it is not convenient to perform the terrain compensation at this time, the New
Compensation field can be de-selected. However, the system does not permit the
vehicle to be auto-steered until a terrain compensation has been performed, and you
will see the terrain compensation error appear until this has occurred. To perform
terrain compensation later, refer to Section "4.2 Terrain Compensation".
For accurate positioning and guidance, it is important to perform terrain compensa-
tion as this feature allows the mojoXact Plus to calculate the position of the GPS
antenna as the vehicle navigates unlevel terrain. This is demonstrated by the picture
below which illustrates a vehicle tilting as it would on hilly terrain. Without terrain
compensation, the position of the vehicle is shown by the uncorrected position. With