6 Introduction
Common Interface (CI) is an interface for condi- tional access modules. The front of the digital receiver has two common interface slots.
To watch a pay service, you should take the following steps:
1.Purchase a conditional access module and a subscrip- tion card for the pay service you want to watch.
2.Insert the subscription card into the conditional access module.
3.insert the conditional access module to a common inter- face slot on the front of the digital receiver.
To view the information about the module and subscription card inserted to the digital re- ceiver, select the Common Inter- face menu.
