Unknown overlay

[EdS2]

Any idea where it came from? I'm thinking it might be Spanish, for example, rather than English.

The key functions are labelled:
BOR TRA VAL FIN PRO / EMP AGR OTR FAM DED / CAL VIS IMP (+-)

Where BOR has its own colour, FAM and DED share a colour, and the final three CAL VIS and IMP share a colour and a +- legend.