PCR
Program Clock Reference.Timing information corresponding to a particular
satellite channel on a digital frequency.The PCR must be entered when
adding new channels.
Polarization
Polarization allows several programs to be fit 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.
RF
Radio frequency (known as HF in some countries).
RS232
A serial communications standard data port.
Satellite dish
A dish-shaped antenna (reflector) to receive signals from a satellite.The
dish focuses the signals into the LNB.
SCART
A 21-pin connector used for connection of the Receiver, VCR and TV.Also
named Euroconnector or Peritel connector.
Scrambled satellite TV program
Some satellite TV programs are transmitted in scrambled form.A
Smartcard, and possibly a conditional access (CA) module, will be needed
to view such programs.
Service provider
Company that packages a number of programs and/or services and
distributes them to customers.
SNR
Signal-to-noise ratio.A measure of signal quality.
Symbol rate
Size of the digital package transmission.
SW
Software. Instructions that enable an electronic device (such as a computer
or satellite receiver) to operate and perform certain functions or applications.
TP
Transponder.A component of a satellite that receives uplinked signals
(such as programming channels) from Earth-based transmitter dishes and
downlinks them to other Earth-based satellite receive dishes.
VCR
Video Cassette Recorder.
GLOSSARY
Glossary 47