Archiv:Projector/Lounge: Difference between revisions
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(howto add modeline with cvt and xrandr) |
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If the projector does not promote the right resolutions via DDC aka. the VGA-cable is too long, on Linux try: to create, add and use a modeline, i.e. 1280x720, 60Hz: | If the projector does not promote the right resolutions via DDC aka. the VGA-cable is too long, on Linux try: to create, add and use a modeline, i.e. 1280x720, 60Hz: | ||
<pre> | |||
~ % cvt 1280 720 60 | ~ % cvt 1280 720 60 | ||
Modeline "1280x720_60.00" 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync | Modeline "1280x720_60.00" 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync | ||
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~ % xrandr --addmode VGA1 1280x720_60.00 | ~ % xrandr --addmode VGA1 1280x720_60.00 | ||
~ % xrandr --output VGA1 --mode 1280x720_60.00 | ~ % xrandr --output VGA1 --mode 1280x720_60.00 | ||
</pre> | |||
Revision as of 17:11, 22 February 2015
| tba | |
|---|---|
| video and presentation projection | |
| Ort | Treppe |
| Besitzstatus | Club-Eigentum |
| Benutzung | frei |
| Label | Bitte ausdrucken |
tba
If the projector does not promote the right resolutions via DDC aka. the VGA-cable is too long, on Linux try: to create, add and use a modeline, i.e. 1280x720, 60Hz:
~ % cvt 1280 720 60 Modeline "1280x720_60.00" 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync ~ % xrandr --newmode "1280x720_60.00" 74.50 1280 1344 1472 1664 720 723 728 748 -hsync +vsync ~ % xrandr --addmode VGA1 1280x720_60.00 ~ % xrandr --output VGA1 --mode 1280x720_60.00