EM84 & PM84 & UM84
		Magic eye for side view. It has the fluorescence layer on the inside of the glass bulb. It's a kind of back-projection unit. Used as tuning indicator and level meter. Similar to EM87 and EM840.
		EM84 = 6FG6 = CV5434 PM84 = 4FG6 UM84 = 12FG6