If you used the Quick Setup Wizard, then you would already have a toggle key for key maps. Toggling Repeater does not affect Key Maps.

And no, nothing is wrong with having a key set to num 7 that presses 1.

If you're having a problem it might help to explain what the problem you're having is, and it would help very much to see your config. You can either upload ISBoxerToolkitProfile.XML, or right click "ISBoxer" at the top in the software, select "Copy ISBoxer Toolkit Profile to Clipboard", and then paste away.