Hi Robert,

a good (but cumbersome) solution is to turn the filament off. Switching
is dangerous 'cos it might be at HV potential. Could be done with an
optocoupler...
This way the CRT screen won't age because is it not shelled with
electrons.

Greets
Jochen Feldhaar DH6FAZ

robertf schrieb:

> Hello,
>
> I have a pc that is always
> running but not viewed all the
> time except for about once to
> several time a day depending
> on the activity. Is it better
> to turn it on/off or lower the
> brightness and the contrast?
> Other sugestions?
> I use DMPS on one and because
> the other two is older( not
> dmps capable), I turn them
> down.
>
> Regards,
>
> Robert Francisco
>
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