The procedure to change a price is:
1) Turn the keyswitch to the Z1/P position, enter 305 and press the X2 key.
2) Enter the PLU number by either:
- scanning the item
- press a HARD PLU key
- enter the PLU number on the numeric pad and press the . key
3) Enter the 1st level price and press X2, enter the 2nd level price and press X2.
4) press CL. At this point you can repeat from step 2 to program another price or ...
5) Press CL once more to exit programming.
As far as a manual, I'm not aware of any place you can download one. Your best bet would be to find a Uniwell dealer near you to purchase one.
Good luck ...
Steve, December 2009