Visioneer Patriot 780, Руководство пользователя

Страница: 87 / 112

80
V
ISIONEER
P
ATRIOT
780 S
CANNER
U
SER
’
S
G
UIDE
A
DJUSTING THE
B
RIGHTNESS AND
C
ONTRAST
Sometimes an item is scanned with the brightness and contrast set to be too
light or too dark. For example, a note written with a light pencil may need to
be scanned darker to improve legibility.
The following figure shows the brightness and contrast options. Contrast is
only available for Color and Grayscale configurations.
To adjust the brightness and contrast:
1. Drag the Brightness slider to the left to make the item darker or to the
right to make the item lighter.
2. Drag the Contrast slider to the left to decrease the contrast or to the right
to increase the contrast.
3. Click Reset to return the settings to their original numbers.