OpenEuphoria

Re: monitor turned off

• Posted by rubis at fem.unicamp.br Feb 11, 2003
• 451 views

Better in standy. The most critical "moment" in the life of the monitors 
and other circuits is the power up, when all the capacitors are charged and 
generate a big  current flow  through diodes and voltage regulators.

Rubens

At 15:18 11/2/2003, you wrote:
>
>I thought it wasn't possible.
>Monitor supports standby. Is standby same as turning off monitor?
>For example, is better to turn off monitor overnight or just leave it to go
>into standby mode?
>
>
>----- Original Message -----
>From: "Carl W." <euphoria at cyreksoft.yorks.com>
>To: "EUforum" <EUforum at topica.com>
>Sent: Tuesday, February 11, 2003 1:48 PM
>Subject: Re: monitor turned off
>
>
> > tone.skoda at gmx.net wrote:
> >
> > > Can I find out, with code, if monitor was turned off?
> > > Or can I turn off monitor with code?
> >
> > Not without specific hardware. The cable connecting a computer to a
>monitor
> > is (usually) one-way.
> >
> > As for turning a monitor off, most CRT monitors have a physical on/off
> > switch due to the large voltages generated inside them. It would be
>totally
> > impossible to flip such a switch using software alone.
> >
> > You might have better luck if you can find a way to send the monitor into
> > standby mode (if it has one) instead - to do that you would need to
> > interface with the graphics and monitor drivers and send the right calls.
> >
> > Most operating systems detect whether the screen is on or off by asking
>the
> > user:
> > "Can you see this message?". If the answer is yes, chances are the screen
>is
> > on.
> >
> > Of course, you could go 'mad scientist' and build a hardware/software
> > interface with power switching relays and stuff. ;)
> >
> > --
> > [ Carl R White == aka () = The Domain of Cyrek = ]
> > [ Cyrek the Illogical /\ www.cyreksoft.yorks.com ]
> >
> >
> > TOPICA - Start your own email discussion group. FREE!
> >
>
>
>
>TOPICA - Start your own email discussion group. FREE!