A MEM s scanning device has a variable resonant frequency. The mechanical connection uses a hook portion of one section received in a slot portion of an adjacent section with a pivot and stop relation defining the planar forming face. The gaming machine also includes one or more network interfaces that is in communication with a ticket database that provides time-sensitive tickets. Further, some paper small changes can also be packed into a banknote package. The method provides real time treatment for eliminating moire and provide smooth image. The tongues define a plurality of positioning slits for receiving the second contacts.