Hi there, I have a DW-5600MS and I'd like to make the LCD a bit easier to read. I want to keep the negative display. Is there a way to remove the "rusty" background color? After disassembly, I've noticed that there's a silver foil on the inside of the LCD glass. Does anyone know if the rusty...

I am thinking about getting a DW-5600MS with the -ve display and buying a normal 3229 module from Casio to install into it, assuming the cost isn't too prohibitive and there are no technical differences between the exterior dimensions of the different 3229 modules. I like the look of the MS...