Setting Course while in NAV GPS mode

[Ch.Cole]

Hi,

I've got the following issue:
When I set CDI to GPS, I can no longer change the CRS via the CRS1 knob in the pop-up.
I can still change it via either the OBS-knob or the actual CRS1 knob on the center pedestal.

[N1K]

Shouldn’t need to, GPS drives the CDI on the nav display. If you want to change the course in prep for an ILS then you need to go into heading, deselect GPS mode and then go back into LRN1 when you’re done

[Ch.Cole]

When I go to GPS, the needle should point upward when I follow the track. But it doesn't.