Nagging the user to recalibrate?

Richard Hughes hughsient at
Fri Mar 26 07:46:03 UTC 2010

On 25 March 2010 17:25, Pascal de Bruijn <pmjdebruijn at> wrote:
> Possibly... But this should be configurable, and it should be easy to
> turn off...

Sure, I've added a "ignore" button.

> I'm assuming the API (DBUS?) is generic, and each distro has it's own
> visualisation...

Sure, it's using a libnotify call, which is a standard library.

> OR, maybe plan a Task in Evolution? This is probably too nasty...


> Scanners probably do, because they have a backlight that ages... But
> since scanner use is usually intermittent for most users, I doubt this
> will be needed for the most common scanner users... So maybe we should
> exclude these as well...


> CRTs/LCDs obviously do need to be recalibrated, 6 months seems like a
> good default... I never notice a difference when I recalibrate on a
> monthly basis... Though my LCD isn't on for 10 hours a day... probably
> more like 5...

Sure, 6 months seems like a good default.

> And then we have printers... Printer calibration should probably be
> redone on every new set of ink, instead of timebased... This would
> probably be hard to detect (reliably), but sticking to time based
> notifications isn't a decent replacement, so I guess we should exclude
> these as well...

I'm keen on printers, but again, maybe every month or six months is a good idea.

> So CRTs/LCDs are probably the only kind of device for which a time
> based notification unambiguously has merit...

Cool, I've added this in git master.


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