I also find the Sync-Stop button difficult to work with, therefore, for the few songs that I need this function I use a workaround. Louis Prima's Buona Sera and Just A Gigolo are classic examples. I utilize a registration where the sync-start is activated, then the style begins playing. No intro, break or fill--just the style. The way it works is you fire up the style, play the intro, get into the song, and when you need that extended break just press the registration button. Then, when you're ready to resume the song, or in the case of Buona Sera, make a transition from a tango to jump jive, the tango is the first registration button and the jump-jive is the second.

Works for me,

Gary