The way I do this on a Mitsubishi is to do a line search in the main program window. The tricky part is making sure everything is in the correct state to run the program safely. So I make sure that everything is spelled out with every tool change so that spindle clamp speed, spindle speed, IPR/IPM, CSS/RPM is all there to get running as expected, otherwise some nasty surprises can occur.....like spindle running up to top speed in a hurry
First you get good, then you get fast. Then grouchiness sets in.
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)