THat is the easy part. They tell you which one you have to modify in the data sheet in the previous post that I sent. If you put the reference voltage that they provide down then it will measure lower voltages.
One veeery important question however. Did you dismantle the Display. Can I remove the PCB at the bottom and then replace it without damaging the display? It seems to be just held in place by little tabs at the side.
If so then It will be perfect!
Teoman