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		Control Key Usage

		ctl-a	Move cursor to start of field
left arrow	ctl-b	Move Cursor back one character
		ctl-c	Exit program
Del		ctl-d	Delete character under cursor
		ctl-e	Move Cursor to end of field
right arrow	ctl-f	Move Cursor forward one character
backspace	ctl-h	Delete character to the left of the cursor
Tab		ctl-i	Check this field and go to the next field
Enter		ctl-m	Terminate this field, check it, go to next field
down arrow	ctl-n	Go to next field
up arrow	ctl-p	Go to previous field
		ctl-z	Check all fields and complete this screen
