What Is Common Interface - Topfield SRP-2411 User Manual

NOTE
When using the remote control, point it at the remote sensor
on the front panel of the digital receiver.

1.3 What is common interface?

To watch a pay service, you should take the following steps:
1. Purchase a conditional access module and a subscription
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 into a common in-
terface on the front of the digital receiver.
1.3 What is common interface? 7
Some broadcasts are scrambled so
that only paid subscribers can enjoy
them. Scrambled services can only
be viewed with a Conditional Access
Module (CAM) and a subscription
card matching with the scrambling
system.
Common Interface (CI) is the slot on
a digitial receiver into which a condi-
tional access module may be inserted.
The front of the digital receiver has
two common interface slots.
1