ocr: Transaktionskort - Dataregietrering pa SVENSK STANDPARD SS-IsO 7811/2 magnetrand Utgava 1 Sidas 6.2.2 Erasure ine data comprise data and clocking bits together. A tux tran- sition occurring between clocks signities a "one* the absence The magnetic material shall be capat ble of being eraser by a DE of a TIUX transizion signiries a zero" write current egual to 350 % of IR IO a levei of 3.% or less of the reference sisatsal ainplitude. The data shall be recorded a5 la ynchronous seyutnice of characters without intervening gaps. 6.3 Tosting and operating environment Recording ahall be in a satura ...
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