152 Vuquest 3320g User Guide
G - Gain
Gain is used in Manual Style only (2P). Like a volume control, the gain modifier
boosts the signal and multiplies the pixel value. As you increase the gain, the noise
in an image is also amplified.
1G No gain (default)
2G Medium gain
4G Heavy gain
8G Maximum gain
W - Target White Value
Sets the target for the median grayscale value in the captured image. For capturing
close-up images of high contrast documents, a lower setting, such as 75, is
recommended. Higher settings result in longer exposure times and brighter
images, but if the setting is too high, the image may be overexposed. Target White
Value is only available when using Photo Style (1P). (Default = 125)
nW Range: 0 - 255
D - Delta for Acceptance
This sets the allowable range for the white value setting (see W - Target White
Value). Delta is only available when using Photo Style (1P).
(Default = 25 (Gen 6), 30 (Gen 7))
Note: For more infomation about the Gen 6 and Gen 7 software revisions, see About
Software Revisions on page 6.
nDRange: 0 - 255
Example of Gain at
1G:
Example of Gain at
4G:
Example of Gain at
8G:
Example of White
Value at 75W:
Example of White
Value at 125W:
Example of White
Value at 200W:
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