test card

Noun

 * 1)  A card printed with various letters or symbols, used in testing vision.
 * 2)  A test signal, typically broadcast at times when the transmitter is active but no programme is being broadcast (often at startup and closedown).
 * 1)  A test signal, typically broadcast at times when the transmitter is active but no programme is being broadcast (often at startup and closedown).

Translations

 * Finnish: näkötaulu


 * Danish:
 * Finnish: ,
 * German:
 * Indonesian: pola teknik
 * Japanese: テストカード
 * Malay: kad ujian
 * Polish:
 * Spanish: carta de ajuste