Operating System ·Multi-display mode to meet different clinical requirement, including standard interface, big font, OxyCRG, trend graph, NIBP review and full leads ECG interface. ·NIBP self-test mode: including overpressure test, static pressure test and air leakage test. ·15 types of Arrhythmia analysis and real-time S-T segment analysis and pacemaker detection ·Drug calculationand titration table ·Support multi-language display ·Support online software upgrading by net