NOW WITH OPTIONAL INTEGRATED CREDIT CARD INTERFACE See what a difference an eight line x 20 characters per line screen makes. Just look at the screen to verify or fill the order. If necessary, you can page up and down through larger orders. On-screen prompting simplifies operations and programming of menu items and system options. Spot check sales and financial reports by viewing sales information on the screen. The 98 key keyboard is spill resistant and easy to clean. Each location is completely programmable in order to fit menu and function requirements. Program your menu items easily by typing on an alpha programming overlay. Two RS-232C ports and IRC are available on every Samsung ER-655! The ER-655 stores detailed sales journal in memory for immediate on-screen review, or printing at the end of the day.