MP antenna tracker set home through BT GPS on GCS

Up to now on MP antenna tracker I have assigned tracker home manually (MP→PLAN→(right click)→Tracker HomeSet Here.

Linking a BT GPS to the laptop running MP it is found at COM29:

But doing (MP→PLAN→(right click)→Tracker HomeObtain From Module:

Is above procedure correct? How must I inform MP that there is a GPS at COM29 to indicate Tracker Home?