New POS feature:
Refund and Recalculate - This function on the POS will allow you to change the tender of a transaction.
Log on to the POS using your login method.
Complete the transaction normality
On the functions screen, select History.
Next view the transaction that requires the tender to be changed. Do this by selecting the magnifying glass.
Select the refund button
Next select the Refund&Recal button
From the drop down select the tender you want to refund, this will be the tender used to pay for the transaction
The transactions original tender has now been refund and the tranaaction can be finalised using another tender. Complete the payment as normal.
In summary the original transaction tender is refunded, and the transaction has been finalised using a new tender.