Just for future reference, computercraft coordinates are measured in characters from the top left. So 7,1 is like pressing return once and space 7 times. You may have realized this makes both pixel appearance and the coordinate system stretched so that a change in y coordinate is much more dramatic than a change in x.draze
image, 7, 1 - looks like the position on the screen. takes a little tweaking but for a w6 h3 monitor this is around the centre mark. default is ,1 ,1.