Samsung UE40ES7000U E-Manual page 852

– You must obtain a "CI or CI+ CARD"
from a local cable service provider.
– When removing the "CI or CI+
CARD", carefully pull it out with your
hands since dropping the "CI or CI+
CARD" may cause damage to it.
– Insert the "CI or CI+ CARD" in the
direction marked on the card.
– The location of the
INTERFACE
depending on the model.
COMMON
slot may be different