How do I add and delete families and change amounts to be deducted with Ezi-Debit

How do I add and delete families and change amounts to be deducted with Ezi-Debit

Go to Families screen and click the check box at the bottom of the screen (to add) and uncheck (to delete). Enter the maximum amount that can be deducted in the Max $ box below or leave as 0 for any amount not exceeding the actual account balance.