SYMBOL FOR BACKSPACE
SYMBOL FOR END OF TRANSMISSION
SYMBOL FOR ACKNOWLEDGE
SYMBOL FOR LINE FEED
SYMBOL FOR VERTICAL TABULATION
SYMBOL FOR DEVICE CONTROL ONE
SYMBOL FOR DEVICE CONTROL THREE
SYMBOL FOR NEGATIVE ACKNOWLEDGE
SYMBOL FOR SYNCHRONOUS IDLE
SYMBOL FOR ESCAPE
SYMBOL FOR UNIT SEPARATOR
BLANK SYMBOL
OPEN BOX
SYMBOL FOR NEWLINE
SYMBOL FOR SUBSTITUTE FORM TWO