How to set underscan factor

Daniel Klaffenbach danielklaffenbach at
Fri Jan 21 08:01:47 PST 2011

On Friday 21 January 2011 16:23:56 you wrote:
> There are underscan controls that were added in 2.6.37.  Controlled
> via connector properties just like underscan.
Cool, that was what I was looking for. I figured out that I can control 
underscan like this:

xrandr --output DVI-1 --set underscan on --set "underscan hborder" 45 --set 
"underscan vborder" 30

Now I get a fullscreen image on my TV. Thanks.

> Also, check your TV and
> see if it has a a setting (often called fit or 1:1, etc.) that
> disables overscan.
Unfortunately my TV does not have such an option.

- Daniel
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