Which parameter should be active for the fields to change in vertical direction?
How can I copy a value to other fields using a group change?
Select several fields, then open the field containing the value we need for editing and click "apply to all".
What parameter should be active to make the fields change when you select horizontally?
Does it have to be on for all selected columns?
Yes, it must be enabled in all highlighted columns. If it is disabled in at least one of the columns, the save button for the group will be absent.