How to change the product prices in your vending machine

This demo shows how to change the price of products in a CV Series vending machine but it is applicable to all CV and VM Series vending machine models from Automatic Vending Specialists.

[@Abr-in2hp]

Has anyone experience Keypad not responding properly . Such as, pressing Key 2 for example but it will show as if you pressed 5 ? if any, any solution to it ?

[@melbrown3559]

I can't figure out to set up card reader on this same machine. Please help, the card reader is saying offline.