SAM4s ER-650 cash register
The ER-650 Modified is a ER-650R converted to a ER-650 by changing the Roms and the keyboard. So the case will read 650R the machine is really a 650 version. The reason is there are still plenty of the raised keyboard versions available and after the Roms and keyboard is changed they really are the classic 650 machines everyone loves.
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