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ISS 408 Integrated Seamless Switcher • HTML Operation 65
Output Resolution, Rate, Sync Format, and Polarity
The ISS 408 scales the input input up or down to any a number of output resolutions and
rates. The switcher outputs the scaled video, as RGBHV or RGBS, with user-selectable
polarity, via either the program or preview connectors. The table below shows the
resolutions and rates available on the ISS 408.
Resolution
50 Hz 56 Hz 60 Hz 75 Hz 85 Hz
Lock at 50/60 Hz Actual DVI output
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640 x 480
800 x 600
832 x 624
848 x 480
852 x 480
1024 x 768*
1280 x 768*
1280 x 1024*
1360 x 765*
1365 x 1024
1400 x 1050*
576p HDTV*
720p* HDTV @ 60 Hz only
1080p HDTV @ 60 Hz only
1080i HDTV
* Native DVI output resolution
✝✝ The output refresh rate is auto-selected, based on the video refresh rate of input 1.
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1366 x 768*
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1365 x 768*
1024 x 480
1024 x 600
1024 x 624
1024 x 480
1024 x 480
1024 x 768
1280 x 768
1280 x 1024
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1200 x 800* 1200 x 800
1360 x 765
1280 x 1024
1400 x 1050
720 x 576
1280 x 720
1280 x 1080
1280 x 540
1366 x 768
1365 x 768
NOTES:
• For output resolutions with less than 1024 pixels horizontally, the optional DVI
program output’s true horizontal resolution is limited to 1024 pixels. The vertical
resolution is the selected vertical resolution. For these resolutions, the ISS DVI
output is 1024 x {selected vertical size}. For example, if the output resolution is set
to 640 x 480, the DVI output card’s actual resolution is 1024 × 480.
• For the 1365 x 1024, 1080p, and 1080i output resolutions, the optional DVI
program output’s true horizontal resolution is limited to 1280 pixels. For these
resolutions, the ISS DVI output is 1280 x {selected vertical size}. For example, if
the output resolution is set to 1080p, the DVI output card’s actual resolution is
1280 x 1080.
• The DVI card outputs all other selected resolutions normally.
• Resolutions marked with an asterisk (*) in the table above are native DVI outputs,
meaning that the DVI output fully supports the selected horizontal and vertical
resolution. The DVI output resolution for these rates exactly matches the analog
resolution.