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Topic:
The backlight
This thread has 3 replies. Displaying all posts.
Post 1 made on Wednesday December 12, 2018 at 23:16
Barry Gordon
Founding Member
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August 2001
2,149
I've been away from the Pronto for too long and have forgotten too much, but this forum is my extended memory.

I would like to send a command to an IP based device when the backlight goes off and when it comes on. Is that possible? I know how to do the sending, I am just not sure about recognizing the state of the backlight

Last edited by Barry Gordon on December 12, 2018 23:41.
OP | Post 2 made on Wednesday December 12, 2018 at 23:41
Barry Gordon
Founding Member
Joined:
Posts:
August 2001
2,149
I think I can deal with the problem in a different manner. For those interested:

The pronto (9800) controls my theater by sending commands to a PC that directly controls the theater. A command is a message consisting of two integers. The first is a component ID and the second a function ID just like most IR remotes.

To the left of the 133" main screen, there is a 24" monitor that has system status. I am getting bothered by looking at it since it is always on and it is quite bright. What I plan to do is blank the monitor's screen N seconds (N to be determined but around 15-30 seconds) after the PC receives any command from the Pronto. Any command received will un-blank the screen. That will cut down on the ambient light and eliminate the distraction. I have to see if I can turn off the backlight on the monitor without turning the monitor off, perhaps 'sleep' will work.
Post 3 made on Thursday December 13, 2018 at 01:51
buzz
Super Member
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Posts:
May 2003
3,113
Or, you could switch the monitor's input or content to a dark screen nn seconds after receiving a command from Pronto.
Post 4 made on Saturday December 15, 2018 at 12:25
Lyndel McGee
RC Moderator
Joined:
Posts:
August 2001
12,290
function callmeOnScreenOn()
{
}

function callmeOnScreenOff()
{
}

CF.activity().onWake = callmeOnScreenOn;
CF.activity().onSleep = callmeOnScreenOn;

The onSleep callback is invoked when backlight goes off.

The onWake callback is invoked 'after' any 'pageExit' 'pageEnter' callback functions as soon as the remote becomes active after sleep.

Based on what I recall, 'activating' the remote can be done 1) by touching a Hard/Firm button or Backlight button 2) Pickup sensor trigger, or 3) a scheduled script executes that causes a Browse/Jump (Jumps automatically activate the backlight as the page will be changing).

In my opinion, these are misnamed because the remote is actually not asleep when docked as ProntoScript continues to run. For purists, they should have been named onActivate, onPassivate.

Last edited by Lyndel McGee on December 15, 2018 14:35.
Lyndel McGee
Philips Pronto Addict/Beta Tester


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