vertical form navigation with keyboard arrow keys

I have a rather big form (spreadsheet data) where users have to regularly enter data.

When filling in data, one can use TAB and SHIFT+TAB to move horizontally.
Is there an option to move through such big tables, e.g. using the cursor arrow-keys (they are currently increasing/decreasing the values in the fields)?

If not, then this would probably be a feature request.

The TAB and arrow key behaviours are a function of your browser, and the standard behaviours that form elements on any website have. It’s not a Django, or Django Admin, specific thing.

If you want to change that default behaviour (which can affect accessibility if you’re not careful) then you might be able to do so with some custom JavaScript.