Archiv:Projector/Lounge: Difference between revisions

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=== howto add modeline with cvt and xrandr ===


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:

Revision as of 16:13, 22 February 2015

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video and presentation projection
Ort Treppe
Besitzstatus Club-Eigentum
Benutzung frei
Label Bitte ausdrucken

tba

howto add modeline with cvt and xrandr

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