Part 1 of this standard specifies the shape@ dimensions@ magnetic signal level@ and tolerances for the E-13B characters which include ten numerals and four special symbols printed in magnetic ink and used for the purpose of character recognition. It describes the various known types of printing defects and other printing considerations@ together with the tolerances permitted. Part 2 provides informative conformance testing requirements for the Part 1 specifications. Part 3 specifies the requirements for secondary reference documents and the test equipment for calibrating and maintaining their signal level.
X9.100-20-2006由ANSI - American National Standards Institute 发布于 2006-07-13,并于 2008-05-20 实施。
* 在 X9.100-20-2006 发布之后有更新,请注意新发布标准的变化。
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