* Scan all items back into sales screen
* click on 'Menu | Refund all items in sale'
* click 'OK' click 'Yes' to 'refund all items in this sale?'
* Select the 'Pay' button
* Select the 'Card'
* Select the 'Refund-R'
* Select the 'Pay' button
* Insert the Card into the 'chip & pin' machine
* Ask the customer to enter Pin No
* Collect Receipts from Receipt printer
* Remove the Card
* Select the 'Complete' button
* Select Receipt - if receipt is required