To activate Counter Mode, go to Others → Settings.
From this window, access Counter Mode.
From here, all you need to do is enable the Counter Mode:
Now you also have the option to display the change due for cash payments.
[tags: how can I mark without a map of the tables, what do I do if I serve at the counter, counter mode, pos settings, how to issue a receipt and continue to mark, serving I don't have tables in the restaurant, cafe, to-go]