By choosing the Select option from the menu import and press the confirm button 
, screen is displayed. File List, that allows the user to navigate through the structure of folders and files in the portable memory.
Variable rate maps are made up of triplets of files with “.SHP”, “.DBF” and “.SHX” extensions, and are organized in portable memory as defined by the user. He can browse folders in portable memory until he finds the variable rate map file, presented with the type “SHP” in the table, which you want to import into internal memory. The figure below shows a screen example of the variable rate map files present in the portable memory. The file data description area displays the distance from the current coordinates of GNSS to map area.
Selecting one of the variable rate maps SHP from the list and pressing the upload button 
, the file will be imported into the monitor’s internal memory IsoView. While the file is being imported, the Loading shown in the following figure is displayed, containing the number of files to be transferred, the current counter of files already transferred, and the name of the map file being transferred.
After the import is finished, the screen of type Information will indicate that the file has been loaded to the internal memory, as shown in the following image.
In the same way as described for the To view, it is possible to visualize the map of one of the parameters of the Shapefile variable rate by pressing the view button 
on the file list screen.
