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3-21IN1508 Scaling Presentation Switcher • Operation
Resolution selection box
The front panel Output Rate button can also be used to select most resolutions,
with the following exceptions:
• 852 x 480 • 1400 x 1050 • 1280 x 768 • 1280 x 800
• 1440 x 900 • 1680 x 1050 • 480p • 576p
The Resolution selection box
identifies the currently selected
output resolution and allows
you to select a different output
resolution. The table at right
defines the combinations of
resolutions and refresh rates
that the switcher can output.
The default resolution is XGA.
To select a different resolution,
use the front panel or IR remote
control
or button to
highlight the desired resolution
and press the Enter button.
Resolution and
refresh rate are
crucial variables for
optimum image
quality. For best
results, set the
switcher output to
match your display’s
capabilities. See
“Optimizing the
Video”, on page 3-30,
for detailed guidelines for choosing the proper resolution and rate.
Refresh Rate selection box
The front panel Output Rate button can be used to select the resolution, but
every front panel rate selection defaults to 60 Hz. Different refresh rates can
be selected only by using this screen or RS-232 control.
The Refresh Rate selection box identifies the currently selected output refresh rate
and allows you to select a different rate.
To select a different rate, use the front panel or IR remote control
or button to
highlight the desired resolution and press the Enter button.
Resolution and refresh rate are crucial variables for optimum image quality.
For best results, set the switcher output to match the capabilities of your
display. If necessary, see “Optimizing the Video”, on page 3-30, for detailed
guidelines for choosing the proper resolution and rate.
Sync Polarity selection box
The Sync Polarity selection box identifies the currently selected sync polarity and
provides the ability to select different sync polarities. The display or projector may
require video with positive or negative horizontal (H) and/or vertical (V) sync
polarity; consult the diplay or projector manual.
To select a different sync polarity, use the front panel or IR remote control
or
button to highlight the desired sync format and press the Enter button. The default
setting is H–/V–.
Resolution
Aspect
ratio
50 Hz 60 Hz 75 Hz
640 x 480 VGA 4:3
800 x 600 SVGA 4:3
1024 x 768 XGA 4:3
1280 x 1024 SXGA 5:4
1024 x 852 4:3
1024 x 1024 1:1
1366 x 768 16:9
1365 x 1024 4:3
1400 x 1050 4:3
1280 x 720 720p 16:9
1920 x 1080 1080i 16:9
1920 x 1080 1080p 16:9
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1280 x 768 16:9 ●
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768 x 576 576p 4:3 ●
644 x 480 480p 4:3 ●
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1680 x 1050 16:10
1280 x 800 16:10
852 x 480 4:3
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1440 x 900 16:10
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1600 x 1200 UXGA 4:3