System Operation
RTR-4 Operator’s Manual
4-16
SAIC Proprietary
120300 Rev. D
Using Automatic Stretch
Description
Follow this procedure to automatically adjust the brightness and
contrast of an image.
Prerequisites
Verify the following prerequisites are completed before beginning
this procedure:
• The RTR-4 imaging software has been properly configured and
is loaded and running.
• An image is displayed in the Original Buffer.
Procedure RTR0015
Use Automatic Stretch as follows:
Using the Color Palettes
Description
The default palette is grayscale. Some images are easier to
interpret if color is used to show density differences. Follow this
procedure to select the color palette or an inverted palette.
STEP
ACTION
1
Press the
F6
key or click the
Auto
Stretch
button on the toolbar. The image contrast and
brightness adjust to optimum levels.
NOTE
If not satisfied with the auto-adjusted image, follow
the
Contrast Stretch
procedure. To return the
image to the original settings, continue this
procedure.
2
Press the
F5
key or press the
Contrast
Stretch
button on the toolbar. The
Contrast Stretch
dialog box appears.
3
Click the
Default
button to return to the original
settings.
RTR0006b
RTR0007b