> > Hi all! > Thanks all for help. > To me was managed to erase the bit of protection UV eraser > during 3 hours and to record the new program. So it seems to me that this is the best way to do it. The code protect bit can be erased, but there is absolutely no way any part of the program will still be there (after 3 hours) once it is erased. This is good to know. BAJ