It’s not a screen, may also be called presets, it’s the 1,2,3, and 4 buttons probably just below the four way button on right side of unit. Once you have a screen you want you just hold down the 1 for example to save the screen you are on. You would build the screen you want from the main menu, I believe it’s called combos on most of Garmin units.

It works pretty good, whenever one of my old Lowrance units I run mapping and waypoints on now dies, I will probably just add another Garmin in the back and run my boat that way.