Thanks all, the last question was satisfied. The new ones are (1) since I did change the I and J to Incremental it seems that the screen display shows a circle as an oval (long the X axis) how to remedy this? (2) and also when I home the machine and move to center of X and Y axis more or less and I load a g-code that is not out of limits , the display shows that it is by stating aborted ...etc, I did get the bottle of Jim Beam but I haven't opened it yet, thanks for all the help!