... other answer. What is CTRL-0? Does it use the numeric 0, an upper case alphabetic letter, or a lower case alphabetic letter. I cannot get it to do anything Hi Howard, Numeric zero. CTRL-0 (zero) is the default peg position at the datum end of the control template: pad_symbols.png If it doesn't seem to do anything the most likely reason is that the peg is already on that position. The current peg position shows in the peg indicator at top left of the trackpad: 2_201025_520000000.png Full details of the pre-set peg positions on the above menu is at: http://templot.com/martweb/gs_geometry.htm#peg_positions regards, Martin. posted: 20 Jul 2014 16:19 from: Howard Thanks for the clarification. I read "datum" as "template datum" as it was the only datum in your image. I now see it means "datum end of the control template". Howard. posted: 20 Jul 2014 16:54 from: Martin Wynne Howard wrote: I ...