You can display the CG ROM chip number by turning the jackpot reset key 13 times when the door is closed and the machine is not in the middle of a game. If the paytable above the cards remains in Spanish after changing the language to English, can you tell us what CG ROMs you have in your game? It's possible you have a different CG ROM combination than what I tried. However, I noticed that the paytable in my trial was always in English, where as yours is in Spanish. Close the door - the machine should now display everything in English Use the jackpot reset keyswitch on the side of the machine to change the setting from 'PLAYER SELECTABLE' to 'ENGLISH'
Press the white Self Test button near the MPU board 12 times to get to the language selection screen I set up your chip configuration in a MAME session, and it appears you can set it to English by doing the following steps: