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I'll second the notion of quality VGA cables.

I'm curious to know if the image looks good with a 6 foot cable. I'd
guess that your projectors are just VGA resolution (800X600) and you're
trying to drive them at XGA or resolution (1024X768). They'll try to
show an image, but it will look horrible.

Paul

On Sunday, September 7, 2003, at 08:42 AM, Gary Steinberg wrote:

> Richard,
>
> The higher quality VGA cables should be able to reach 25ft without
> significant signal loss--usually by splitting the RGB signals and the
> accompanying horizontal and vertical syncs into separate coax cables
> and
> then back. They cost in the neighborhood of $50 to $100 and should not
> need a booster (we run a 50ft cable without a booster with no visible
> image loss). Do not use RCA or S-video connections; they will usually
> limit the resolution to NTSC standards (approx. 720 x 480) and will
> always
> diminish the color resolution. If you have component outputs on your
> card
> and inputs on your projector you could run coax connectors for these
> as an
> alternative.
>
> Gary Steinberg
>
> On Sat, 6 Sep 2003, RICHARD PICCIONI wrote:
>
>> What's the best way to connect our demo-table PC to a multimedia
>> projector so the two can be separated by a distance of about 12-15 >> ft?
>>
>> Some specifics:
>> PC running Windows 2k; Panasonic PTL-557U or Mitsubishi SL-1
>> projector.
>> We tried an ATI Radeon 7000 video card and an RCA wire, but image
>> quality was truly lousy at every setting we could find.
>>
>> Thanks,
>> Richard Piccioni
>> Garfield High School
>> Seattle WA
>> rgpiccioni@seattleschools.org
>
From whein@aapt.org Mon Sep 8 09:59:49 2003

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