Numerical input Control systems Frequent entry of numbers Extension for notebook computer Features • Programmable 21-key numeric layout • Equally suitable for left-handed & right-handed use • Low space requirements • All keys can be user-defined with up to 24 characters per key • 4 additional user-programmable function keys, can be labeled individually • Digits can be entered independently of the status of the Num Lock in the system (operation on notebook PC) • Variable decimal separator [.], [, ], [00], or [000] • External standard keyboard can be connected • Matches design of CHERRY keyboards G84-4100 • Uses mechanical keys from our ML series with high-precision key action; small physical dimensions: • Reliability: MTBF: 550, 000 hours