[Tfug] video scan disable

erich erich1 at copper.net
Sat Sep 28 13:41:52 MST 2013


Whew!
     So many questions.

Well, you're right It's probably "blanking/shutdown mode", because the
power indicator is blinking. This happens weather  I am in a text mode
or weather startx, (ie an x-session) is running.

Erich

Bexley Hall wrote:
> Hi Erich,
>
> On 9/26/2013 9:01 PM, erich wrote:
>> Typically,
>>         If there is no activity at a monitor for about 7-mins. The
>> screen ceases to be scanned by the machine, and it goes blank.
>> This works for all the boxes that I have with the exception of
>> one: my MythTV DVR machine.
>>         1) What process controls that?
>>         2) Can It be defeated?
>
> I'm not clear as to what you are asking.  My best guess:
>
> All of your machines (save one) automatically blank the monitor/screen
> after some period of inactivity.  But, the MythTV box does not.
>
> On those that *do*, does the monitor go into blanking/shutdown mode?
> (usually indicated by the monitor's power indicator blinking)  Or,
> does the monitor remain active but "displays a black picture"?
>
> [I am trying to get at whether the VESA powerdown mode is being
> invoked or if a "screensaver" is actively drawing black]
>
> I'm *guessing* most of your machines display an X session (or
> an xdm(1) login) normally?  Does the MythTV box, as well?  Or
> are "text consoles" (think in terms of the days of DOS) used?
>
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