If you are referring to the Background Grid (Grids & Background), they have their own settings for each window, so you can set one grid for the plan and a different grid for the elevation.
David
David Maudlin / Architect www.davidmaudlin.com Digital Architecture AC29 USA Perpetual • Mac mini M4 Pro OSX15 | 64 gb ram • MacBook Pro M3 Pro | 36 gb ram OSX14