Pressing these letters either does something or stops doing it:
	S Time showing will change every two seconds
	a Alarm for an inputted hour and minute
	n Numbers for hour and minute show
	d Date shows
	T Countdown time for up to 60 minutes
	e Elapsed time shows from when selected
	s Second shows
	t Countdown time for up to 12 minutes
	? Minutes become seconds and hours become minutes
	When an alarm time is reached or a countdown gets to 0, then
	C:\\Windows\Media\Exclamation.wav plays until you close the program.