RAD Data comm FLM-1 Guide de l'utilisateur Page 158

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Quantity One User Guide
9-12
9.6 Options
Click on the Options button to open the Options dialog box.
Fig. 9-10. Options dialog box.
9.6.a Dark Subtraction Type
All CCD cameras accumulate electrons that produce a “signal” that is
indistinguishable from light. This “dark count” adds to the noise in your
images. In most cases, you will want to subtract this dark count from your
images.
Normal
The Normal option button selects the default dark subtraction type. In this
mode, after you acquire an image, a “dark” image of the same exposure
length will be taken, and this will be subtracted from your image.
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