Start here as many topics and tips covered in this thread including answers to your questions –
Beginner questions - Support - Xert Community Forum (xertonline.com)
Let Xert get to know you first. Don’t fill in the Planner other than for a week at a time if you have specific training block in mind (once you have learned Xert). Most of us don’t populate the Planner and you’ll understand why as you discover how Xert works.
If you follow a particular weekly pattern XATA will recognize that a week from today.
Set normal training time if you want under Goals (Training Status/Advice as of]. Or leave it at 11:59 PM for as of “end of day” or 1:00 AM for “start of day” advice.
If you set a TED 120 days out from now you are in Base phase which will only be endurance rides suggested. Plus you will get an occasional warning to go for a BT which you can do by manually selecting a BT workout from the library and ride it in slope mode.