00 = U+0000 : NULL 01 = U+0001 : START OF HEADING 02 = U+0002 : START OF TEXT 03 = U+0003 : END OF TEXT 04 = U+0004 : END OF TRANSMISSION 05 = U+0005 : ENQUIRY 06 = U+0006 : ACKNOWLEDGE 07 = U+0007 : BELL 08 = U+0008 : BACKSPACE 09 = U+0009 : HORIZONTAL TABULATION 0A = U+000A : LINE FEED 0B = U+000B : VERTICAL TABULATION 0C = U+000C : FORM FEED 0D = U+000D : CARRIAGE RETU