HOw can I get my Samsung ER650 cash registers to respond to keyboard input?
I have two Samsung ER-650 cash registers that I used for 13 months a few years ago. I have kept them wrapped up nicely in storage. I now want to use them exactly like I did before (in a retail store). One is a master and the other slaved to it by wired cord (like telphone connection). Both turn on and come up "Closed" like they are supposed to. When I turn the key to programmed mode or Service Mode (managerial modes), both do not respond to any keyboard input. Since they have been in storage, would there be some kind of battery internally that needs replacing? I have read through the manual and am stumped.
Thank you very much
Donna C., March 2009