All strokes Off the Tee, On the Fairway and the first putt location On the Green must be marked by tapping on At My Ball.
When you arrive on the green, proceed directly to the flag and tap on At The Pin. Then move straight to your ball and tap At My Ball. If you want to log the GPS locations for all subsequent putts, watchMynumbers recommends doing this after the round to avoid disrupting play.
When Show Missing Putt Locations is in the off position, second or third putts do not need to be marked with the At My Ball button. However, as the Show Missing Location Warnings is turned on, you will be notified on the Enter Stroke Data screen that strokes (highlighted in yellow) have At My Ball GPS issues, including second and subsequent putts.
In this example, the second putt is displayed in yellow as the At My Ball button was not pressed. You can ignore this warning as Show Missing Putt Locations has been turned off.
This is the first mention of the Strokes screen. Consider putting in a picture of it.