Matrox Convert DVI, Installation And User Manual

Page: 42 / 70

34
Chapter 4, Configuring Matrox Convert DVI
region of interest selection window. When disabled, the entire Convert DVI
desktop is displayed on the video output.
¥ Tip
Press
CTRL+2
to enable/disable the region on interest feature (see
“Managing keyboard shortcuts” on page 45 ).
4
Under Custom Preset , you can load and delete a previously saved region of
interest preset, or save the current settings as a new preset:
$
Load Select a previously saved region of interest preset from the list to
load the preset’s settings. You can also load a region of interest preset by
using a keyboard shortcut (see
“Managing keyboard shortcuts” on
page 45 ).
$
Save Click to save the current region of interest settings as a new
preset. The new region of interest preset is automatically added to the
Convert DVI keyboard shortcut list. See
“Managing keyboard shortcuts”
on page 45 to create a keyboard shortcut that can be used to load the
region of interest preset.
$
Delete Click to delete the currently selected region of interest
preset.
5
Under Size , select 16:9 or 4:3 from the list if you want a region of interest
with an aspect ratio of 16:9 or 4:3 respectively, or select Custom if you want
a custom aspect ratio. To resize the region of interest selection window,
either type values for
Width and Height , or drag the selection window
border (see “Adjusting the region of interest manually” on page 36 ). Select
Preserve aspect ratio at any time to maintain the selection window’s
current aspect ratio when resizing. The Preserve aspect ratio option is
enabled automatically when 16:9 or 4:3 is selected. Holding
SHIFT
when
resizing the selection window using your mouse also maintains the window’s
aspect ratio.
¦ Note
If the selection window border becomes red when resizing, the current
output scaling is not supported. If this occurs, the video output will display
the last supported output until you resize the selection window so that its
border is no longer red, or adjust the output scaling (see
“Scaling and
positioning your output” on page 46 ).
6
Under Position , type X and Y values to position the selection window on
your Convert DVI desktop (0,0 places the window at the desktop’s top-left
corner). Select
Center at any time to position the selection window at the
center of your Convert DVI desktop.
¦ Note
You can also use your mouse to position the selection window. This
allows you to pan the selection window across the desktop to scan and output
its contents in real time (see
“Adjusting the region of interest manually” on
page 36 ).