SYMBOL FOR SYNCHRONOUS IDLE
SYMBOL FOR START OF HEADING
SYMBOL FOR START OF TEXT
SYMBOL FOR END OF TEXT
SYMBOL FOR ACKNOWLEDGE
SYMBOL FOR BACKSPACE
SYMBOL FOR LINE FEED
SYMBOL FOR CARRIAGE RETURN
SYMBOL FOR DATA LINK ESCAPE
SYMBOL FOR DEVICE CONTROL THREE
SYMBOL FOR FILE SEPARATOR
SYMBOL FOR GROUP SEPARATOR
BLANK SYMBOL
SYMBOL FOR SUBSTITUTE FORM TWO