Fruit Machine Chat

I don't have the decals so how would I change the jackpot?

I've just purchased a Bling King Crazy machine and the prizes seem to be setup incorrect (eg landing on a £1.60 on the feature brings up £3.00 on the display etc). How do I go about changing this? The machine can switch between 10p 20p and 30p stakes (which seem to be setup correct). The jackpot sho...