1.3 What is common interface?
7
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.
To view the information about
the module and subscription
card inserted into the digital re-
ceiver, select the
Common Inter-
face
menu.
You should see a
screen like the left figure.