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uniwell px 5700?

till ceased - have done the 3 keys and turned to sp off and on but cant go further = r z x all have $$$?? ???? and its frozen
AG, February 2011
If you can see question marks, you have probably lost all programming.
See if you can print out any of the programming and check it.
I would get the battery checked as well

Registerman, February 2011
link Click here to see other fixes for Uniwell.