To set grayscale or color modes:

Use the following toggle switches on the Image window View menu to choose the grayscale or color modes:

Choose the View | Color toggle switch on the Image window to display the image in color (when the toggle switch is on) or in grayscale (when it is off).
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Choose the View | Blended Colors toggle switch to display the image in Blended Colors (when it is on) or in RGB colors (when it is off).

Note When you view an image in the Image window in Grayscale mode, only one wavelength is displayed at a time. You can choose which wavelength to view with the Wavelength Selector.