Chapter 6: Using the Web Interface2802. Click the desired LHX/SHX device. Its page opens in the right pane.Device States and Icon VariationsThe EMX web interface changes icons to represent different statuses ofthe connected LHX/SHX heat exchanger.Icons Device statusThe heat exchanger is turned ON and operatingnormally.The heat exchanger is turned OFF.The heat exchanger is turned ON but enters the criticalstate because of any LHX/SHX sensor failure.At least one of the LHX/SHX sensor readings hasentered the warning range.NO LHX/SHX device is detected on the specific port.