AIMING euro-lights

[Keith Lawyer]

Well, I'm nothing if not consistent............keeping with the theme of
struggling w the simplest of tasks, my non-turbo euro lights (Depos from
Import Vision) are now in and working (thanks to all who replied
yesterday), altho the info Competition Ltd gave me on high and low beam
was backward, so I had to switch a few wires, no big deal.......

anyway, they're WAY too low on the road.  I see the pretty white
plastic knobs on the back of the lights, and I turn them (a lot), but
nothing happens (watching on my garage door).  Also the lower pretty
white plastic knob has some sort of a tab at it's base which will swing
around about 2/3 of a complete turn in either direction, altho I can't
discern what said tab is for.

Anyone?  I really need to get these lights aimed so I can see beyond my
front bumper.

Keith L