This tab lets you set preferences that control
the behavior of VueScan.
- Refresh delay
- VueScan is capable of detecting
changes to options that affect the preview or scan display.
You can use this option to lengthen or shorten the delay
between changing an option and the display being refreshed.
This delay is in seconds.
If set to zero, the preview and scan won't be automatically
refreshed when you change options. In this case, you can
refresh the preview and scan by pressing the Refresh button.
- Refresh each scan
- If enabled, the display will
be refreshed at the completion of each scan. If you turn
this option off, the display will be refreshed after the
last frame in a batch is scanner, which can speed up batch scanning.
- Refresh image type
- Use this option to display images in
rgb or to display one of red, green, blue or infrared.
- Animation delay
- This option controls the delay between
animated frames when you use the "Color|Animate" option.
This delay is in seconds.
- External viewer
- If this option is set, cropped and processed
images will be displayed using the viewer specified in the "Viewer"
option.
- Viewer
- If the "External viewer" option is enabled, the
specified program will be started with each cropped image upon
completion of a scan.
On Windows, if the viewer name is "default", the file association for
this type of file will be used. You can also put command-line options
after the name of the viewer (e.g. "vuepro32 /fillwindow" to display
images without a window frame with VuePrint). If the name of the
viewer has "%1" after it (e.g. vuepro32 "%1"), the file name will be
substituted at that point. If you use the %1
argument on the command line, be sure to put double-quotes around it,
or file names that have embedded spaces won't work.
On Linux, the viewer name can have command-line options after it,
and the file name will be appended to the end of the command-line
before it's run.
On Mac OS 8/9/X, if the viewer name is "default", the files
will start in the same application that would start if you
double-click on the files. Note that the file type and file
creator for the .tif, .jpg, and .bmp files are determined by the
settings in the "File Exchange" control panel on Mac OS 8/9.
- Window x/y offset/size
- Use these options to set the
window position and size. These options are updated automatically
when you move the window or resize the window.
- Font size (pt)
- Use this option to set the font size used
in VueScan. The font size is specified in points, which are
basically the same as pixels on most systems.
Note that the display will jump when you change this option,
so it's sometimes easier to edit vuescan.ini to change this.
- Option panel width
- Use this option to set the width in
pixels of the panel containing the VueScan options.
Note that the display will jump when you change this option,
so it's sometimes easier to edit vuescan.ini to change this.
- Histogram type
- Use this option to specify whether the
Y axis of histograms is the number of samples (linear), the
square root of the number of samples or the logarithm of the
number of samples.
- Animate crop box
- This option controls whether the crop
box in the Preview is animated. It's easier to see when animated,
but also can be a bit distracting.
- Add extensions
- This option controls whether the TIFF,
JPEG, and Index file names automatically have a .tif, .jpg, or
.bmp extension added to the file name. This reduces the
amount of typing needed when manually setting the saved
file names. No file extension will be added if the file
name has a period in it.
- Warn on overwrite
- When enabled, VueScan will display
a warning message before overwriting a tiff or jpeg file, and
allow you to prevent the file from being overwritten.
- Beep when done
- Enabling this option causes a sound to be
played on the computer's speakers when scanning completes.
This is sometimes useful to alert you to the end of a long-
running scan. On Windows, this is the "Default sound" in
the "Sounds and Multimedia" control panel. On Linux, this
is a simple beep. This isn't yet implemented on the Macintosh.
- Watermark
- You can optionally add a watermark (grid of lines)
to saved files by selecting this option. The unregistered version
of VueScan always applies the watermark, but this can be turned
on and off in the registered version.
- Release memory
- If this option is set, VueScan will release the
memory buffer for the scan at the end of each scan. This is
useful if you're post-processing images with an image editor and
you need to free some memory.
- Disk files only
- If this option is set when VueScan starts,
no scanners will be accessed. This is useful if you want to run
multiple copies of VueScan at the same time, scanning with one
copy and processing raw disk files with another copy. To use this
option, put copies of VueScan in different directories, run VueScan,
set this checkbox, then exit and restart VueScan.
- Enable sliders/spin buttons
- You can use this option to
remove the slider and spin button controls. This is sometimes
useful if you want the option panel to be quite small to
maximize the image display area.
- Min dimension
- This option specifies the minimum width
and height of the displayed data. The larger this number, the
more you can zoom into an image with the Zoom In / Zoom Out
buttons. However, the smaller this number, the faster the
display will update when you change options that affect the
display. The default value of this option is a good tradeoff
between resolution and speed.
- Preview/Scan mem (MB)
- Use this option to set the
maximum amount of memory that VueScan will use to hold all the
previews or scans in memory.
If "Device|Preview resolution" is set to "Auto", then each
preview needs about one million pixels, and if "Device|Scan resolution"
is set to "Auto", each scan needs about four million pixels.
Each pixel either needs three bytes (24-bit RGB), six bytes
(48-bit RGB) or eight bytes (64 bit RGBI).
The default value for this option lets you keep six preview
frames in memory (for most scanners) and one or two full-resolution
scans in memory.