To Change the Color Depth of an Image

  1. On the ribbon, click Raster Tools tab Edit panel Process Image drop-down menu Change Color Depth.
  2. Select the image or images you want to change, and then press Enter.
    Note: You can also select your image or images before you select the Change Color Depth command.
  3. Choose a color depth and press Enter.
    Note: You can adjust the pixel depth of multiple images if all selected images have the same pixel depth.