Hsl - Plustek SmartOffice PS286 Plus User Manual

24 TWAIN Help
(i.e. Yellow contains Green and Blue and would thus also be affected by changes
to one of these channels).
Shadow:
The shadow represents the low (dark) end of the color spectrum. If the shadow
value on the Master channel is raised to 10, all color values between one and ten
will be given the value of zero (black). Thus, raising the shadow darkens the entire
image and raising the shadow in a specific color channels darkens pixels of that
color. Raising the shadow also increases the color contrast of darker tones (the
range between the midtone and the shadow).
Default
Clicking the Default button on the lower right corner revert the settings to its original
values and discard all adjustments you have made.
· Ticking the
histogram to give high quality images without needing to manually
adjust the settings in the
· This feature is not available when Black & White is selected as
Scan
2.2.2.7

HSL

This tab allows you to adjust the colors in an image.
Auto Density checkbox will automatically adjust the
Histogram
Mode.
tab.
All rights are reserved.