Viva Series, Determine Coordinate System 932
39.4.3 Computing the Grid Scale Factor
Description For One Step Localisation method with Twostep transformation. Calculates the grid scale
factor. The grid scale factor is the scale factor of the point chosen, relative to the projection
being used.
Access Press Grid.. in Determine Scale.
Compute Grid Scale
Factor
Key Description
OK To confirm the selections and return to the screen from where this screen
was accessed.
Scale or Ppm To switch between displaying the true scale and displaying the ppm.
Fn Quit To exit the screen.