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...

Test Card F is a test card that was created by the BBC and used on television in the United Kingdom and in countries elsewhere in the world for more than...

The following is a list of test cards used by the BBC at various points in broadcasting. The first "Tuning Signals" test card was broadcast by the BBC in...

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...

known for appearing in the centrepiece of the United Kingdom television Test Card F (and latterly J, W, and X), which aired on BBC Television from 1967...

The Wisconsin Card Sorting Test (WCST) is a neuropsychological test of set-shifting, which is the capability to show flexibility when exposed to changes...

The TVE colour test card (Spanish: Carta de ajuste en color de TVE) was an electronic analogue TV test card adopted by Televisión Española with the introduction...

The Green Card Test (GCT) is a criterion used by the Internal Revenue Service (IRS) in the United States to determine whether an individual qualifies...

faces of the cards show 3, 8, blue and red. Which card(s) must you turn over in order to test that if a card shows an even number on one face, then its opposite...

Resolution Chart (until 1975 called RETMA Resolution Chart 1956) is a test card originally designed in 1956 to be used with black and white analogue TV...