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Topic:
TV control delay after power on...why?
This thread has 16 replies. Displaying posts 1 through 15.
Post 1 made on Monday March 31, 2003 at 22:58
Ian Schatz
Long Time Member
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107
Just wondering if anyone has a good explanation for this all too common problem...
Starting with a display powered off, an IR macro issues an "ON" command. Most displays require 6 - 10 seconds before they will accept any other IR commands, such as an input change. I have installed some with up to a 14 second delay! Typically, one must wait at least until the monitor displays light, usually in the form of a muted "blue" screen.
I use lots of Pioneer Plasmas, Yamaha & Dwin Projectors, Mitsubishi Big Screens, & Loewe CRT sets. All have this problem to varying degrees.
Should we create a mass petition to manufacturers asking that they address this problem?
Thanks for your help.
Post 2 made on Monday March 31, 2003 at 23:31
marsht
Founding Member
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May 2002
189
I agree and I absolutely hate this also. The new Philips PixelPlus and a lot of the Sonys take 10 seconds to accept another IR command. The PixelPlus is particularly troublesome because if you press volume down during the 10 second warmup, the set will lock up. None of the controls will work anywhere(IR or on the actual set)...only unplugging the TV will reset it. I approached Philips on this at CEDIA and they acknowledged the problem a few weeks later to me, with no solution.

The InFocus 7200 projector needs in excess of 28 seconds before it can accept another IR command!
Post 3 made on Monday March 31, 2003 at 23:34
DavidatAVX
Founding Member
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440
Turn on with input selection would be nice.
Post 4 made on Tuesday April 1, 2003 at 18:19
vts1134
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305
I have never had this problem with sony TV's. I use a .5 second delay on all my ccf with sony monitors and it works every time. I have a Sharp TV here at home and it can accept codes without delay after power up. Other TV's though do have a problem. Mitsu bigscreens take quite a long time, and I have yet to see a projector that can take an IR code after power on. Projectors are the worst becuase some of them take up to 40 seconds to accept a code. I solve this by adding a "Projector On" at the top of my home page thus making switching from one activity to the other move very quickly. I would like to see electronic manufacturers address this issue. DavidatAVX has a good point about input with power up, Sony recievers use this system and it works wonderfuly in a ccf or any other program with macros for that matter.
Post 5 made on Tuesday April 1, 2003 at 20:13
cb1
Select Member
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September 2002
1,663
Sony TV's seem to respond directly after power, mits are a different story.
The new aSony DLP', if powered off, you have to wait 20 seconds or so before you can turn it back on.

just my two sense

CB1
why have a nice system if you cant operate it, program the remote the right way the FIRST time!
OP | Post 6 made on Thursday April 3, 2003 at 09:18
Ian Schatz
Long Time Member
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107
Thanks for your responses...
I will check out the Sony line for quick macros. Do they offer discrete IR commands in their remotes, or do I have to use codes "discovered" by other users on this site?
As to power-off delays on projectors, they all have it. Has something to do with cooling the lamp before cycling on again. I would beg that manufacturers use more robust lamps. (How many times will most light bulbs turn on & off before giving up?)
Anyone else have input on the turn-on delay problem?
Post 7 made on Thursday April 3, 2003 at 17:46
Maverick
Long Time Member
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December 2002
28
Sony remotes dont have descrete input or power commands on the remote.I use RTI and have found the decretes readily available in the data base. No digging required.

Mav
Post 8 made on Thursday April 3, 2003 at 19:29
THXRick
Long Time Member
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October 2002
241
Mavrick is right about RTI having all the discreet code needed for Sony.. AS far as Dave at our arch-nemisis. Seleco CRT'S and DLP's and other euro brands have input on commands. Their power off.. Well thats another story..just kiddin about the nemisis thing Dave. But serial commands via crestron or others may address some problems as well.
Post 9 made on Friday April 4, 2003 at 21:38
Matt
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1,802
Just do the other macros first, then the input command. This isn't that big of deal...
Post 10 made on Saturday April 5, 2003 at 10:26
Steve D
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June 2001
211
Mitsubishi big screens can be tricky. The "IR blind duration" will shorten if the TV has been on for a while. As it cools off the time lengthens.

My 2 cents

Steve
Post 11 made on Sunday April 6, 2003 at 10:49
quest51459
Founding Member
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September 2001
197
I've been programming pronto's with all kinds of equipment for about 5 years. Currently playing with an ipronto....long way to go. What I always do if have the system default to either sat or cable on turn on. So On system off I have it set itself up for the default and then when the the customer turns it on you don't have to worry about input switching on power up. Just the way I do it.
Post 12 made on Thursday April 10, 2003 at 12:33
equium
Long Time Member
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February 2003
134
On 04/04/03 21:38, Matt said...
Just do the other macros first, then the input
command. This isn't that big of deal...

you took the words right out of my mouth. i had this same problem, put the input at the end of the macro, no more problem.
OP | Post 13 made on Tuesday April 15, 2003 at 00:56
Ian Schatz
Long Time Member
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July 2002
107
No problem for you and I as operators, but to the average customer, 10 - 20 seconds waiting for a remote to finish talking is an ETERNITY. More often than not, the remote gets set down, a cat walks in front of the display, or something happens that blocks that last, all-important input command from hitting the target. Of course, on the upside, a few customers have stepped up to Niles IntelliControl & Crestron because of this problem. "I can run it fine, but every time my wife tries, she gets no picture..."
Post 14 made on Thursday April 17, 2003 at 02:09
Ernie Bornn-Gilman
Yes, That Ernie!
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December 2001
30,104
Ian,
Xantech has a "macrolizer" which will learn macros, then execute them after receiving an initializing command. Screw the cat.
A good answer is easier with a clear question giving the make and model of everything.
"The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw
OP | Post 15 made on Thursday April 17, 2003 at 09:52
Ian Schatz
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107
Thanks, I'll check out the xantech unit, but I prefer not to screw cats.
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