The currency is set automatically during database creation by retrieving that of system. Therefore, in order to change the currency, you have to enter each field and change the currency recalled.
To avoid having a urn each field, you can use LUA script within the examples. Or the command found inside the setting of the Windows version.
The prints normallu acquire the currency from the fields and therefore should align themeselves. If by change a currency has been set within a field in the print, you wil to use the editor to be able to edit it.