4.  If “Draw New Template” was selected, simply 
trace a template (from left to right) on the 
screen using the source as guide. The template 
will be created from a number of points.  
  Press Clear to redo the template drawing. 
  Press Undo to delete the last trace point. 
  After the points have been drawn, 
touching any point on the screen will 
return the vertical value.  
Press Next when the template is drawn. 
5.  After the template is first drawn/loaded, the 
template offset can be edited by swiping the 
screen up or down from the left of the graticule.  
6.  To edit the template further, swipe the screen