Just 4 screws (from back, with the cover removed) hold the front panel cover on the unit. The bottom lip shown still attached is also removable -- leaving room for a custom designed faceplate perhaps? Not to say that everyone would spend the money then take this apart, but you could probably replace the VFD display filter rather easily with a different color if you don't care for the one already included. (Yes, they are readily available online.)



Link: OCIA