weve just inherited a Geller MP 2, i have managed to get the manual on line but in order to change prices and plu's it says i need to use "NAME CHANGE" and "PRICE CHANGE" keys which i cant locate on the the till layout or the programming layout and help would be greatful.

These two buttons used to change description and price of a department or Plu work only on products assigned to the keyboard.
You can change everything in P1 key position for plu's by pressing
3
Strt
Sel
input ... etc

Unless the model you have is fitted with Geller eproms then you cannot have the two buttons mentioned anyway. If you have the codes to program these to the keyboard are
Price Change 6B
Name Change 6C

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