The Gift card menu is only available to those merchants that have gift cards added to their account.
Press the GIFT menu from second page of the home screen (or press [Enter] and select 4 - Gift)
1 – Activation
2 – Redemption
3 – Balance Inquiry
4 – Reload
5 – Refund
6 – Zero Card
7 - Batch Balance
8 - Print Totals