navigami

If you have an internet access from your phone, make sure it's enabled. Then Start navigami, enable the programme internet access by Main Menu > Setting > Network Settings > Http (tick it) and go to Main Menu > Maps > Manage Maps > Download Map. It downloads your current position map tile according to your current zoom level. You may use Autoload On/Off future also at the same menu. If this command is On, map tiles are automatically downloadings when you navigate by fire button.
If you don't have internet access from your phone or you may like to avoid to pay expensive mobile internet access, then you can assign your internet accessible computer as your internet proxy. Just download the file rxtxSerial.dll to your PC and follow the instructions that written in Download > Serial Proxy page of this web site.

Last thing is make sure Show Map is enabled from the Main Menu > Settings > Maps .
I hope this information will help you.