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Sharp ER-A570 reprogramming?

Hi Mark
My cash register above is proving to be very difficult to reprogramme. I have printed off the PLU but there is nothing on the report against each PLU $ or items. I tried to programm as per your instructions - P2 1210.x etc and which didn't do anything. When I pushed TL to finialise, nothing happened and I had to use CL to try again. Now when I switch back to Register mode every button pushed says not assigned. What has gone wrong.
Di, September 2008
Hi,
Not assigned means you have not looged back in to the machine. Press 1 then CLERK button.

Are you definitely typing on the special alpha programming sheet? Don't try to use the normal sheet as some buttons may move when in pgm mode.

Mark, September 2008
link Click here to see other fixes for Sharp.