Sharp ER-A520 Keyboard
So the Sharp ER-A520 Register is a great cash register for a retail store. Raised key keyboard, thermal receipt and journal printer. Lots of optional interfaces available like credit card, gift card, scale, DVR, coin changer, and PC.
So there is a picture of the standard keyboard posted at Cash Register Guys Sharp ER-A520 Cash Register shows the standard features and department keys.