| 
|  | CONTROL CHARACTERS 0 TO 31 
 0000 NULL
 0001 START OF HEADING
 0002 START OF TEXT
 0003 END OF TEXT
 0004 END OF TRANSMISSION
 0005 ENQUIRY
 0006 ACKNOWLEDGE
 0007 BELL
 0008 BACKSPACE
 0009 HORIZONTAL TABULATION   (SEGMENT SEPARATOR)
 000A LINE FEED   (BLOCK SEPARATOR)
 000B VERTICAL TABULATION   (SEGMENT SEPARATOR)
 000C FORM FEED   (BLOCK SEPARATOR)
 000D CARRIAGE RETURN   (BLOCK SEPARATOR)
 000E SHIFT OUT
 000F SHIFT IN
 0010 DATA LINK ESCAPE
 0011 DEVICE CONTROL ONE
 0012 DEVICE CONTROL TWO
 0013 DEVICE CONTROL THREE
 0014 DEVICE CONTROL FOUR
 0015 NEGATIVE ACKNOWLEDGE
 0016 SYNCHRONOUS IDLE
 0017 END OF TRANSMISSION BLOCK
 0018 CANCEL
 0019 END OF MEDIUM
 001A SUBSTITUTE
 001B ESCAPE
 001C FILE SEPARATOR   (BLOCK SEPARATOR)
 001D GROUP SEPARATOR   (BLOCK SEPARATOR)
 001E RECORD SEPARATOR   (BLOCK SEPARATOR)
 001F UNIT SEPARATOR   (SEGMENT SEPARATOR)
  |  | 
 |