Hi, I have Mazak QS20 from the 80s and it has a T4 control. I am just getting it going and I had to replace the batteries. It seems that the parameters are lost as I get a response (Home Position?) and the parameters are nothing like the one in the book. I just have a problem with entering them I get a error (441 Parameters protect) How do I fix this so I can enter the correct parameters for the machine.