Mission Planner, I need a compass

I’m studying one by one because many seniors told me. But I’m still lacking a lot, so I’d like to find out more information.
If you look at the compass on the mission planner, there are compass #1 #2 #3. If you look here, there is a compass inside the external compass. If the GPS module you are using has a function, do you use it? I am currently using the GPS module here+3. It’s black. Does this product have a compass inside the outer compass?

There should be a compass in Here3
Have you setup properly?
https://docs.cubepilot.org/user-guides/here-3/here-3-manual#compass-setting-using-the-current-stable-firmware-copter-4-0-3-plane-4-0-5

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thanks