SYMBOL FOR BACKSPACE
SYMBOL FOR START OF HEADING
SYMBOL FOR END OF TRANSMISSION
SYMBOL FOR LINE FEED
SYMBOL FOR SHIFT OUT
SYMBOL FOR DEVICE CONTROL FOUR
SYMBOL FOR NEGATIVE ACKNOWLEDGE
SYMBOL FOR SYNCHRONOUS IDLE
SYMBOL FOR END OF TRANSMISSION BLOCK
SYMBOL FOR CANCEL
SYMBOL FOR GROUP SEPARATOR
SYMBOL FOR RECORD SEPARATOR
SYMBOL FOR NEWLINE