[ltp] changing resolution

[Rob Mayoff]

+---------- On Jul 18, Bob Koss said:
> I have a 770Z running RH 6.2 out of the box.
>
> I frequently have to do presentations hooked up to a vga projector and I've
> been doing them using Windows because I frequently have to change screen
> resolutions (down to 640x480 at times) to accommodate older projectors.
>
> How can I change screen resolutions on the fly in X ?

I was never able to change the screen resolution successfully using
XFree86 3.3 (which is what RH 6.2 has). I can switch to 640x480 using
XFree86 4 (which is what RH 7.1 has).  Because turning on NumLk just to
switch resolutions is such a pain, I use KDE2 to map Ctrl-Alt-/ to run
"xvidtune -next".  (Note that the / key becomes KP+ when NumLk is on.)

Try creating a second XF86Config named "/etc/XF86Config.640" that
defines a 640x480 screen.  When you need to connect to the projector,
start up a second instance of X by running this command:

    X :1 -xf86config /etc/XF86Config.640

If you have the same experience I had, you'll only be able to see the
screen image on the projector, not on your TP screen.


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