Kodak DirectView CR 500 System, User Manual

Page: 82 / 236

6-2 1F1976 August 1, 2003
Maintaining Image Quality
Changing Image
Orientation
Click the appropriate button to rotate or flip an image. You can rotate through
360
°
by rotating in steps of 90
°
.
Adjusting Contrast
and Brightness
CAUTION
:
Do not change the contrast and brightness unless necessary.
An image’s contrast and brightness are determined by the window width
(contrast) and window level (brightness). When you adjust the settings the
image display changes.
The default values are:
– Contrast: 4095
– Brightness: 2048
Adjust the straight line portion of the curve to include as much histogram data
as possible. The numerical values are the number of input code values.
Changing Window Width
(Contrast) Increasing the window width reduces the contrast. Changing the window level
affects the overall appearance but does not affect contrast.
NOTE: To return to the default Contrast and Brightness settings (4095 and
2048) click the Tonescale button twice.
Changing Window Level
(Brightness)
Increasing the window level increases the brightness.
Contrast
Tonescale
Brightness
Rotate
Flip