For Your Reference; Receiver Maintenance; Definition Of Terms - Nevir NVR-2580D Instruction Manual

For Your Reference

Receiver Maintenance

Be sure to turn the unit off and disconnect the AC power cord before maintaining the unit.
Keep the unit clean. If the surface is extremely dirty, wipe the unit with a piece of dry soft cloth in stead of
alcohol, benzene or other chemicals. Do not use compressed airflow to remove dust.
Let the designated technician maintain the unit when problems arise.

Definition of Terms

DVB MPEG-2
DVB is the abbreviation of Digital Video Broadcasting, which is a standardization group. DVB-T is one type
of DVB mode (T=Terrestrial). MPEG is the abbreviation of Motion Picture Experts Group, a working group
which defines international standards for audio and video digital compression. The MPEG-2 standards are
mainly applied in digital TV signals.
Subtitles
There are printed lines appearing at the bottom of the screen which are the translation or transcription of the
dialogues.
FEC
FEC stands for Forward Error Correction, applied to correct signal transmission errors between antennas and
the receiver.
PID
The PID code (Packed Identification) is the identification number of audio and video signals in the digital data
flow/stream of DVB MPEG-2 signals. With this code, the receiver transmits audio and video signals to a
specific address.
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