FLY is FUN

I'm on a trial of your remarkable App Fly is Fun. Prior to purchase the open version I'm trying to check some important issues.
After discharging terrain maps of my area (southern Spain) I can't see the terrain map on the screen. Some help?.
Thanks in advance.

1.
- Menu/Import and download/Terrain map download manager.
- Look at list if data for your loacation was downloaded

2.
- Menu/App settings/Preferences
- Terrain warning settings - Enable Terrain warning must be checked