Brad:

It is controlled under Preferences > Dimensions > Level Dimensions. Once you have the settings as desired, create a named Dimensions standard and assign this standard to the section view (if this is set to Custom, chaos follows).

You should add a Signature to your Profile (click the Profile button near the top of this page) with your ArchiCAD version and operating system (see mine for an example) for more accurate help in this forum.

David