SYMBOL FOR SUBSTITUTE
SYMBOL FOR ACKNOWLEDGE
SYMBOL FOR BACKSPACE
SYMBOL FOR LINE FEED
SYMBOL FOR VERTICAL TABULATION
SYMBOL FOR CARRIAGE RETURN
SYMBOL FOR SHIFT IN
SYMBOL FOR DEVICE CONTROL ONE
SYMBOL FOR DEVICE CONTROL TWO
SYMBOL FOR NEGATIVE ACKNOWLEDGE
SYMBOL FOR END OF TRANSMISSION BLOCK
SYMBOL FOR CANCEL
SYMBOL FOR FILE SEPARATOR
SYMBOL FOR GROUP SEPARATOR
SYMBOL FOR UNIT SEPARATOR
SYMBOL FOR DELETE
SYMBOL FOR DELETE FORM TWO