PDF417 has nine error correction levels (0-8) and each level has different data recovery capacity. Byte: users can encode byte data defined in ISO/IEC 8859-1.values from 32 to 126) and three ASCII control characters: HT or tab (ASCII value 9), LF or line feed (ASCII value 10), and CR or carriage return(ASCII value 13) and various latch and shift characters. Text: users can encode all the printable ASCII characters (i.e.Auto: the software will find the most suitable mode for users automatically.Users are recommended to set it to true when space considerations are quite important and symbol damage is less possible.įour encoding data mode are offered by this PDF417 barcode generator. If this function is activated, the right row indicators of generated PDF417will be removed and the stop pattern will be one-module-width bar. ECI: ~7dddddd (valid value of dddddd from 000000 to 999999).This should be located at the beginning of the encoding data, e.g. Programming for reader initialisation: ~rp.2-byte character (Unicode): ~6ddddd (character value from 00000 ~ 65535).Strings from '~256' to '~299' are unused. 1-byte character: ~0dd/~1dd/~2dd (character value from 000 ~ 255) ASCII character '~' is presented by ~126.This property helps user use tilde to encode some special characters. Customizing PDF 417 Barcode Settings Barcode Settings

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