Frequently Asked Questions
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Q. Can I output a computer display resolution to regular SDI hardware?
A. In theory it is not possible to output a computer display resolution, such as 1440 x 900, to regular SDI
hardware as computer resolutions do not usually match standard TV resolutions. However in many
cases, you may find that such a resolution will successfully output as 1920 x 1080 at 60 Hz interlaced.
We cannot guarantee this will work with all computer modes as success is entirely dependent upon the
way the graphics card works. Some graphics cards will scale the video to fill a 1920 x 1080 display while
others will place a black border around the lower resolution image to fill a 1920 x 1080 display.
Q. Does DVI Extender support audio when using Extender mode?
A. Yes, you can use the Channel 1 & 2 outputs of a Blackmagic Design HDLink Pro to monitor your
computer audio.
Q. Can I use a 30” dual-link DVI-D monitor with HDLink Pro to monitor the Extender mode output
of DVI Extender?
A. No, when using Extender mode, a single-link DVI-D monitor should be used with HDLink Pro and
it’s resolution should be a maximum of 1920 x 1200 pixels. All current 30” DVI monitors are dual-link
DVI-D monitors and have a much higher resolution of 2560 × 1600 which means they cannot be used in
conjunction with Extender mode.
A DVI or HDMI display can be used when working in Video mode. However if you intend to switch
between Extender and Video modes, you will need a DVI display.
Q. Can I power DVI Extender using a USB 1 port?
A. No, there is not enough power supplied by the old USB 1 ports. DVI Extender must be powered either
from a USB 2.0 port or from an AC to USB adapter.
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