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 Post subject: modeline and HDTV
PostPosted: Mon Aug 20, 2007 7:43 pm 
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Joined: Sun Jul 22, 2007 8:59 pm
Posts: 1
I have a HDTV that can switch between resolutions. Is adjusting the modelines necessary? Will the tv beable to correct it? I'm guessing i'm not that lucky but thought i'd ask.


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PostPosted: Mon Aug 20, 2007 7:49 pm 
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Joined: Fri Nov 18, 2005 9:22 am
Posts: 777
Location: spencerport, ny (USA)
You have to pick a modeline that your TV can understand. To see what modeline is in effect, look at /var/log/Xorg.0.log

Look for these lines:

Code:
Validated modes:

(see what follows that)

Code:
Setting mode "ATSC-720-60p" 

(to see what it's selecting - may be different for GUI vs various video sizes)

Code:
Virtual screen size determined to be 1280 x 720

(See how big it thinks the screen is)


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 Post subject:
PostPosted: Tue Aug 21, 2007 6:22 am 
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Joined: Tue Aug 08, 2006 7:08 pm
Posts: 561
Location: UK
To ensure what mode you are using you need to check the line "Setting Mode", because the virtual screen size might not be equal to your actual screen.

Bruce S.

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