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A.3 Glossary of Terms
DiSEqC
Digital Satellite Equipment Control.
EPG
Electronic Program Guide. Software that enables viewers to navigate easily among the large
selection of channels provided by the digital technology and choose the service they desire.
FEC
Forward Error Correction. Correction of faulty bits in the received signal.
LNB(Low-Noise Block converter)
The LNB is an electronic unit mounted on the satellite dish. It receives the signals reflected by the
dish and converts them to signals that can be used by Satellite receiver.
Parental control
A feature that allows parents to lock programs that they consider unsuitable for their children. A
locked channel or program can only be unlocked with the password.
PIN code
Personal Identification Number. A four-digit code that is used for locking/unlocking channels and
programs, as in the parental control feature.
Polarization
Polarization allows several programs to be fitted into the same frequency band.
The signals from a satellite are transmitted either with linear (vertical or horizontal) polarization or
circular (right or left) polarization.
Satellite dish
A dish-shaped antenna to receive signals from a satellite. The dish focuses the signals into the
LNB.
Scrambled satellite TV program
Some satellite TV programs are transmitted in scrambled form. A CA module is needed to view
such programs.
Symbol rate
Size of the digital package transmission.
