Interactive Fitsky Setup Menu

	v	Mark and verify the critical parameters (a,d,s)

	s	Mark and verify the standard deviation of the sky
	l	Mark and verify the minimum good data value
	u	Mark and verify the maximum good data value

	a	Mark and verify the inner radius of the sky annulus
	d	Mark and verify the width of the sky annulus
	g	Mark and verify the region growing radius