* Mark the note,for example,with a cross, in an area which is
lightly- coloured and not printed on.
* If the marking shows up as bright yellow,your bank note is
genuine and therefore valid!
* If the marking goes dark and stays dark,
your bank note is forged!
* The marking disappears again after a few hours.
Battery Replacement (Attached Testing Battery):
* Three button batteries (LR 1130)
* Pay attention to the polarity of battery.