Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Ana amfani da lambar launi ta NTSC tare da siginar talabijin na System M, wanda ya ƙunshi 30⁄1.001 (kimanin 29.97) hotunan bidiyo da aka haɗa a kowane dakika. Kowane frame yana kunshe da filayen biyu, kowannensu yana kunshe da layin bincike 262.5, don jimlar layin bincike 525. Layin bincike 486 suna yin raster mai gani. Sauran (tsakanin tsayayyen tsayayyen tsayayye) yana ba da izinin daidaitawa da kuma sake dawowa. An tsara wannan tazara ta farko don kawai tazarar CRT na mai karɓar don ba da izinin madaidaitan madaidaiciyar madaidaiciya da jinkirin jinkirin masu karɓar TV na farko. Koyaya, wasu daga cikin waɗannan layukan yanzu na iya ƙunsar wasu bayanai kamar rufe taken da lambar lokaci ta tsaye (VITC). A cikin cikakkiyar raster (ba tare da la'akari da rabin layi ba saboda haɗuwa) layin binciken da aka ƙidaya (kowane layi wanda zai zama ma idan an ƙidaya shi a cikin siginar bidiyo, misali {2, 4, 6,..., 524}) an zana shi a filin farko, kuma ba daidai ba ne (kowane layi wanda zai zama m idan an ƙidaya shi a cikin siginar bidiyo, misali {1, 3, 5,..., 525}) an zana shi a filin na biyu, don samar da hoton da ba shi da walƙiya a filin sabuntawa na 60⁄1.001 Hz (kimanin 59.94 Hz). Don kwatantawa, tsarin 576i kamar PAL-B / G da SECAM suna amfani da layin 625 (576 bayyane), kuma don haka suna da ƙuduri mai tsayi, amma ƙuduri mai ƙarancin lokaci na firam 25 ko filaye 50 a kowane dakika.  Tambaya: Abin da ya aikata CRT TV ta bukatar a tsaye blanking tazara ga?
A tsaye aiki tare da kuma retrace