I use trigless locks for locking different filter settings on different steps, lets say you have a continuous pad playing for two bars, you could trigless trig the filter every four steps with different filter base settings.
Also on the amp set-up page (function + amp) you will find different settings for trigs + trigless trigs on how they will react with amplitude envelopes and FX envelopes, you can get alot of different results with different settings.
Hope this helps