now I have been trying to find out of how everything works on my cash register, and it has taken me 20 days, and making everybody crazy around me. I have reset it four times and used google translate nearly for every word in the manual, and that is not easy the translate is very poor and I have had to tray again and again new programming to find out of what it does. my manual are the most read paper in this house. but now I am stuck. I have casio tk-t500 and I was closing some of the plu that is not in used and what happened, je the CE button does not work at all it just pip when it is pus. There is no E error just pip. please someone help me.

now I have restart it again and I found my
CE button but now I have lost all my departments . I know that this must be it for me in programming