Canon DR-9050C - imageFORMULA - Document Scanner, Руководство пользователя

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8-14
Chapter 8 ISIS/TWAIN Driver Settings
[Brightness] Tab Sheet
On the [Brightness] tab sheet you can adjust brightness and
contrast for scanning, and access gamma settings. The
availability of brightness and contrast settings depends on the
mode setting of the [Basic] tab sheet.
Hint
If all of the settings on the [Brightness] tab sheet are disabled, the
gamma setting is set to Custom.
(See “[Gamma Settings] Dialog
Box” on p. 8-15.)
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
[Brightness] 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.
Setting
Auto B
right
ness
C
ont
ra
st
Enable
B
ack
Si
de
B
right
ness
Enable
B
ack
Si
de
C
ont
ra
st
Scan
ning Mode
s
Auto Color Detection –
✔ ✔ ✔ ✔
Black and White
✔ ✔ ✔ ✔ ✔
Error Diffusion –
✔ ✔ ✔ ✔
Advanced Text
Enhancement
–
✔
– – –
Advanced Text
Enhancement II
–
✔ ✔
– –
256-level Gray –
✔ ✔ ✔ ✔
24-bit Color –
✔ ✔ ✔ ✔