... 2) color LCD, easy operation.(3) built-in micro-computer to control and to handle the test.(4) auto printing, auto memory, ... displayed, results detected.(13) recalculating and reprinting results according to QC statistics.(14) time setup, pump volume calibration, printing ... warning, protection from power-off.(15) RS-232 interface to send data to computer. Big Screen Semi-auto Biochemistry Analyzer