gvSIG-Desktop 1.11. User manual
You can configure the values that gvSIG will use for zooming in or out of a view and changing the selection colour which by default is "Yellow".
You can also use this window to define map and measuring units for gvSIG.
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You can use this window to change the view projection by clicking on the "Change" button. A dialogue box appears from which you can choose the reference system.