@bravenel - I'm not sure if this is intended but if you:
- Select trigger > Days of week Schedule
- Deselect any day (all selected by default, uncheck Friday, Saturday as an example)
- Enter a time for the selected days
The page then adds a further section beneath, with the day(s) you unchecked above (Friday, Saturday). However if you don't want to select any schedule for those days it's not possible to deselect them (they just repopulate the checkboxes) and if you use the 'erase time' button to delete that unwanted schedule, it erases the time in the first selection (for Sunday through Thursday) so you cannot leave the page. You can only progress if you leave Friday, Saturday selected but ignore the 'At this time", leaving the Hours, Minutes empty and click 'Done Setting Schedule'