There should be a small phillips sunk-head screw under the mode control knob. This holds the acrylic panel in place. You'll probably see a hole in the panel there. Keep the screw short or it will run into the mode switch and do Bad Things. Dave Swingle --- In dmcnews@xxxxxxxxxxx, Soma576@xxxx wrote: >but i think the real problem is that the actual plate > itself (with the big sticker on it) is too loose, and it keeps working its > way forward, eventually forcing the knob off. today i took all three knobs > off, and the center plate is easily removed. should it be like this? i do > not see any kind of fastening piece to hold it in there, except for the three > knobs.