When the SWIPE OR INSERT CARD (or SWIPE/INSERT/TAP CARD) prompt displays (terminal or PINpad), you or the customer insert the card into the chip reader.
Depending on the card issuer, a payment card may incorporate Chip and/or Stripe and/or Contactless functionality. The card entry method at the POS (see below) determines which functionality is used and how the card interfaces with the terminal or attached PINpad.
To use Chip functionality:
When the SWIPE OR INSERT CARD (or SWIPE/INSERT/TAP CARD) prompt displays
(terminal or PINpad), you or the customer insert the card
into the
chip reader.
To use Stripe functionality: 
When the SWIPE CARD (or SWIPE OR INSERT CARD or SWIPE/INSERT/TAP CARD)
prompt displays (terminal or PINpad),
swipe the card on the
magnetic stripe reader.
To
use
Contactless
functionality : 
When the SWIPE/INSERT/TAP CARD prompt appears, the customer taps or waves
their card over the terminal or
external PINpad display screen.
To use Manual Card Entry:
If all available Card Entry methods fail, you may manually enter the
card number (terminal only)
for credit cards and some debit chip cards: When SWIPE CARD or SWIPE OR
INSERT CARD or SWIPE/INSERT/TAP CARD displays, key in the card number
on the terminal, and press the
key.