OK that is not one I am familiar with. It appears to have 3 controls, one presumably to turn it on and 2 to adjust the position. I am assuming you have done all that Larry has already suggested. One of my red dot finders wouldn't line up as I had done a poor job of installing the bracket. So I just tapes a couple of bits of folded card to the dovetail and that got it a bit closer so at least I could adjust it close to the target star. Another idea is that if you can find a star in your eyepiece, how far away from it is the red dot? If it is fairly close, just remember which direction and how far away it is.
Last alternative is buy a new one. I have just purchased one of these
http://www.bintel.com.au/Accessories...oductview.aspx and it is excellent and have also used one of these
http://www.bintel.com.au/Accessories...oductview.aspx which also works fine. Only thing is the dovetail base on your scope looks a bit different so may need replacing.
Cheers
Malcolm