50Flow ChartUnit Initialization & MeterCalibration CheckNANOpure DIamond (Idle)xx :xx :xx xx /xx /xxstart_stopkey pressedup or downkeys pressedSanitize Unit?NIST calibrate?Languageback keypressedenter keypressedstandbykey pressedReset Timers?Barnstead /ThermolyneVx.xx Style EnglishAdvancedmenu?Set TimeSet DateOptionalPrinterDate FormatSet CellConstantAdjust SetPointSet DisplayBrightnessDiagnosticsmenu?Air Purge?Purity displayup or downkeys pressedChange Units?System flush?Auto DispenseMenu?TemperatureCompensation?dispense keypressedenter keypressed(°C)back keypressed(force print line)Arrow Legend:Keypress OptionsAutomatic EntryMenu Wrap-aroundpowerswitchturned onOperational Overview