TEST CARD Biss Key on Eutelsat 7A/B at 7.0°East Good Working Feed Kode Here Update Today Latest Transponder Satellite New TP 2021
Eutelsat 7A/B ( 7.0°E )
Frequency : 12735 V 7200
DVB-S2 – 4:2:0 – 8PSK
Update July : Today 24-07-2020
Biss Key : 14 52 89 EF 01 ED FE EC
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A test card, also known as a test pattern or start-up/closedown test, is a television test signal, typically broadcast at times when the transmitter is active but no program is being broadcast (often at sign-on and sign-off).
Used since the earliest TV broadcasts, test cards were originally physical cards at which a television camera was pointed, and such cards are still often used for calibration, alignment, and matching of cameras and camcorders. Test patterns used for calibrating or troubleshooting the downstream signal path are these days generated by test signal generators, which do not depend on the correct configuration (and presence) of a camera, and can also test for additional parameters such as sync, frames per second, and frequency.
Digitally generated cards allow vendors, viewers and television stations to adjust their equipment for optimal functionality. The audio broadcast while test cards are shown is typically a sine wave tone, radio (if associated or affiliated with the television channel) or music (usually instrumental, though some also broadcast with jazz or popular music). More recently, the use of test cards has also expanded beyond television to other digital displays such as large LED walls and video projectors.