It still has problems but hers how to use it, plca e big block of something (recomend concrete) and move the head useing the buttons on the right, bring up/down bit ALL the way up before moveing the head side to side (more in comments)
bring head (with up/down bit all the way up) all they way to the right then bring the up/down bit all the way down untill it toches the constantly powered PCLN to remove the stored pixle (only hold 1 at a time witch is one of the problems)