This second switch (ON/ON) permit to force 60Hz when European country is selected. (useful for european games that were not optimized to 50Hz) Switch 1 (ON/OFF/ON) is: JAP 60Hz / US 60Hz / EUR 50Hz Switch 2 (ON/ON) is: EUR Default Hz / EUR force 60 Hz
I dont have programmer, and mpeg slot doesnt really matter - We got DVD since years now ^^; But thank you for the suggestion.