How to process a refund on verifone P630?

To process Refund: 

1. Enter the refund amount into the POS.
2. Terminal will display the refund amount.
3. Enter a passcode.
4. Customer presents card or device and enters their PIN (if required).
5. Your terminal processes the refund and then displays Approved or Declined.
6. The terminal may prompt for signature.
7. If a card is inserted, the terminal prompts to remove the card from the chip card slot.
8. Merchant receipt prints.
9. Customer selects preferred receipt option.