Click the "EZ" or "Advanced" (silhouette) icons in the upper toolbar to toggle. Ocean Optics 4. Performing a Standard Measurement (Absorbance) OceanView 2.0 Spectrometer Software - Ocean Optics
Solution : Ensure you have installed the specific driver provided by your sensor manufacturer. Go to Telemetry > Refresh Ports to force OceanView to look for new hardware connections. oceanview 2.0 manual