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Operating Instructions The screen below displays the sensitivity options Full Screen Set the Camera Exposure There are two exposure time scales for you to choose between: Seconds: For normal sample intensity ( > pg) Milliseconds: For normal sample intensity ( > µg) The above scale choice is based on the sample intensity as a recommendation, since samples may absorb light in a unique manner. Set the exposure time by moving the sliders to the appropriate exposure time until you can clearly detect your sample. Set the Gain Gain is a feature which amplifies the signal emerging from your sample. A higher Gain setting will result in a brighter image. As this feature amplifies any signal from the image, you may see some background noise. Since it is preferable to maintain a dynamic image range, increasing the Gain parameters will decrease the maximum exposure time. Set the Brightness Increasing the Brightness will result in a brighter image. Increasing the Brightness parameters will provide a less dramatically image brightness effect than the Gain.