...
The explorer options define whether a number of items are visible on the main display when started. Each of these may either have the value "true" or "false". The items listed in Figure 7 lists all the items. The names are self-explanatory.
Map
In this section the background maps can be defined. The configuration of this section is described in the Grid Display (definition of a background map).
Zoom extents
The zoom extents is used to define the pre-configured zoom levels that can be selected from the main display.
...