my friend just gave me a brand new Yield master ll 6" classic air cooled reflector(includes class) with GE multi-vapor lamp 400watts(is that a cheap bulb?) and a brand new lumatek e-ballast Model:LK400 Lamp:400w M.H/H.P.S this ballast got hella buttons like 3 of them, i know one of them is Super Lumens Switch it looks like a on/off button which clicks, but the other two is on the opposite side by the power cord plug in it is white and very easy to press down what is that button?

i'am already using my hortilux 400w blue but i was thinking about trying the GE multi-vapor lamp, if not you think i could use the hortilux bulb on the lumatek ballast?

i got it all figure out the two other buttons are fuses and the GE bulb is garbage bout to go buy a hortilux blue and use both of them it would be two 400w making a good 800w of blue light and the yield master hood seems like it don't cover more area then my old ass hydrofarm hood even it's new it's kinda weak