Matrox Convert DVI Installation And User Manual page 56

48
for use with Convert DVI"
"Specifying your region of interest settings"
region of interest limitation
width and height limitations.
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¦ Note Select Preserve aspect ratio to maintain the destination region of
interest aspect ratio when scaling manually, or when using the Width and
Height
¥ Tip Double-click the destination region of interest to scale it
anamorphically. If anamorphic scaling produces an unsupported condition,
the scaling is set to 1:1 (no scaling).
For Convert DVI only, select Underscan mode to reduce the video output
5
by 10% to view the full video frame, which includes the edges of your video
that may be visible only on production monitors. Clearing this option
displays only the safe area of a video frame that is visible on all standard
televisions and monitors.
¦ Note Convert DVI Plus users can use the available % option to reduce the
video output by 10%.
When outputting NTSC, NTSC-J, or PAL video (see
6
output settings"
maintain your output content's aspect ratio on the video output, and then
choose the aspect ratio ( 4:3 or 16:9) of the monitor connected to Convert
DVI's video output. If you're recording Convert DVI's video output to tape,
select the aspect ratio that you want for your recording.
If aspect ratio preservation is not important, disable this option to output the
crispest possible image. Disable this option if a DVI-D device that is
connected to Convert DVI's DVI input in stand-alone mode (see
Chapter 4, Configuring Matrox Convert DVI
Scales your original output content so that it fills the
Anamorphic
entire video output.
Scale to fit horizontally
fills the video output horizontally, while maintaining the aspect ratio.
Scale to fit vertically
the video output vertically, while maintaining the aspect ratio.
1:1 (no scaling) Displays your original output content at its exact
resolution without any scaling. You can also press
scaling to 1:1 (see "Managing keyboard shortcuts"
Custom (Convert DVI Plus only) Select this option for custom scaling
using the Width and Height , or % options. Press
keyboard after typing the values. You can also scale manually by moving
the mouse pointer to an edge of the destination region of interest until the
pointer becomes a resize arrow, and then drag to resize.
options.
on page 27), select Allow square pixel compensation to
on page 20), or input region of interest size (see
on page 33). The Destination
box above the preview window shows the
Scales your original output content so that it
Scales your original output content so that it fills
to set the
CTRL+4
on page 45).
on your
ENTER
"Specifying your