logicone

Sorry guys, I'm a n00b to this forum so I don't know if I posted in the correct place (if I didn't I am sorry and I'm sure it will get moved and myself yelled at). I got the i30s tank system yesterday (the same tank that comes with the Innokin VTR) and for the life of me I can't figure out how to fill it. From what it shows you keep the atomizer/carto in and unscrew the adjustable mouthpiece from the top