For Currency Mapping, login to your admin panel and Navigate to Excellence-Currency Mappimg.

Info macro

You will navigate to page like this-

Info macro

Click on "Add Mapping" button and fill the following parameters-

Info macro

Store View

Choose from dropdown for which store you want to map the currency.

Select Countries

Select countries from dropdown to map currency with.

Currency-

Select required Currency Mapping for necessary countries and click on Save Mapping button.

For Currency Setup, Navigate to Excellence->Geoip Configuration->General->Currency Setup

Info macro

Fill the Base Currency, Default Display Currency, Allowed Currencies and Save Config.