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The RCA Indian-head test pattern. The Indian-head test pattern is a test card that gained widespread adoption during the black-and-white television broadcasting era as an aid in the calibration of television equipment. It features a drawing of a Native American wearing a headdress surrounded by numerous graphic elements designed to test ...
Sign-on and sign-off. The closing announcement of ARD as heard in 1993 (in German). A sign-on (or start-up in Commonwealth countries except Canada) is the beginning of operations for a radio or television station, generally at the start of each day. It is the opposite of a sign-off (or closedown in Commonwealth countries except Canada), which ...
A digital on-screen graphic, digitally originated graphic (DOG, bug, [1] network bug, or screenbug) is a watermark-like station logo that most television broadcasters overlay over a portion of the screen area of their programs to identify the channel. They are thus a form of permanent visual station identification, increasing brand recognition ...
SMPTE ECR 1-1978 (SDTV) In a SMPTE color bar image, the top two-thirds of the television picture contain seven vertical bars of 75% intensity. In order from left to right, the colors are white or gray, yellow, cyan, green, magenta, red, and blue. [18] The choice of white or gray depends on whether that bar's luminance is 100% or not.
Test card. SMPTE color bars: common NTSC test pattern. PM5544: common PAL test pattern. EBU colour bars (4:3) 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). [1]
Retrieved from "https://en.wikipedia.org/w/index.php?title=Sign-off_(broadcast)&oldid=730156654"
English: Screen capture of the sign-off notice of ABS-CBN on May 5, 2020, when it was ordered to cease all broadcasting owing to the ABS-CBN franchise renewal controversy. Cebuano: Ang kuha nga pahinumdom sa paghunong sa pagbrodkast sa ABS-CBN niadtong Mayo 5, 2020, dihang gimandoan kini nga hunongon ang tanang pagbrodkast tungod sa ...
The network's logo bug incorporated the text starting in August 1995, and it becomes colorized on September 18, 2006, NBC Nightly News finally began using the 2006 on screen bug starting on March 26, 2007, to coincide with the program's first high-definition broadcast, with the web address for MSNBC (and since 2012, NBC News) later added to the ...