Chapter 8 isis/twain driver settings – Canon DR-X10C User Manual
Page 119
8-13
Chapter 8 ISIS/TWAIN Driver Settings
Hint
If all of the settings on the [Brightness] tab sheet are disabled, the
gamma setting is set to Custom.
The availability of brightness and contrast settings are as
follows, according to the mode setting on the [Basic] tab
sheet.
✔ : available for setting, – : not available for setting, or auto
■ [Brightness] Tab Sheet Settings
You can configure the following settings on the [Basic] tab
sheet.
[Auto] Check Box
This is enabled when the scanning mode is [Black and
White]. The brightness and contrast are adjusted according
to the document.
Brightness
Adjusts the brightness of images to be scanned.
Hint
• If images are too dark or if text on the back of a sheet bleeds
through, you can drag the slider to the right to increase the
setting.
• If images are too light, drag the slider to the left to decrease
the setting.
• When the [Auto] check box is selected, the slider
automatically selects a brightness level to be used for
automatic adjustment.
Contrast
This is enabled when the scanning mode is [Black and
White]. The brightness and contrast are adjusted according
to the document properties.
[Use Back Side Brightness] Check Box
If the brightness of the front and back of the document
pages is different, select this check box to adjust only the
brightness of the back side.
[Use Back Side Contrast] Check Box
If the contrast of the front and back of the document pages
is different, select this check box to adjust only the contrast
of the back side.
Setting
Au
to
B
rightnes
s
C
ont
ra
st
Use Back
S
ide
B
rightnes
s
Use Back
S
ide
C
ont
ra
st
S
c
an
n
ing
Mo
de
s
Black and White
✔
✔
✔
✔
✔
Error Diffusion
–
✔
✔
✔
✔
Advanced Text
Enhancement
–
✔
–
–
–
Advanced Text
Enhancement II
–
✔
✔
–
–
256-level Gray
–
✔
✔
✔
–
24-bit Color
–
✔
✔
✔
✔
Auto Color Detection
–
✔
✔
✔
✔