[clug] testing monitor resolutions
mbp at sourcefrog.net
Thu Feb 10 01:12:36 GMT 2005
On 9 Feb 2005, Tony and Robyn Lewis <beakysnugger at yahoo.co.uk> wrote:
> Feeling a bit splurgy, I'm thinking of upgrading my ageing monitor, with
> a second-hand one from auction this weekend, but I want to test the
> quality of the image first, of course.
> Is there a linux tool that can easily cycle through different video
> resolutions and display an image so I can check for blurry picture tubes
> and the like?
xrandr. On modern hardware the card should discover the monitor's
capabilities, and then xrandr will show you all the resolutions and
SZ: Pixels Physical Refresh
*0 1400 x 1050 ( 404mm x 303mm ) *75 60
1 1280 x 1024 ( 404mm x 303mm ) 85 75 60
2 1024 x 768 ( 404mm x 303mm ) 85 75 70 60 87
3 800 x 600 ( 404mm x 303mm ) 85 75 72 60 56
4 640 x 480 ( 404mm x 303mm ) 85 75 73 60
5 1280 x 960 ( 404mm x 303mm ) 85 60
You can then try different ones and see how it works.
Personally I think a screenful of text is a better test of monitor
resolution than an image, because of the sharper lines, but it depends
what you use your computer for I suppose. You can also try displaying
an image with off-white tones to see how good the color registration
is (if you care).
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