Official Owners' Thread, Panasonic PT-AE8000U (US version) PT-AT6000E (European version) - Page 148 - AVS | Home Theater Discussions And Reviews
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post #4411 of 4432 Old 05-23-2015, 07:18 AM
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Quote:
Originally Posted by Jubrown View Post
Hey everyone,



Just looking for some advice here, as i'm nearly ready to pull the trigger on an AE8000, but it seems like a lot of people are complaining about Black Levels. Especially when comparing to the JVC's.



I can accept that the JVC X500 is a better projector... it should be, as it is significantly more. In Canada, I can get this projector for $2200 vs $5000 for the JVC. Its a substantial difference.



My question is, for all of you who own the Panny, Would you spend more than double for the JVC if you were buying today? Any regrets with the AE8000?





I should add that the main reason I am looking at these two models is for the lens memories. I will be projecting onto a 130-138" 2.35 AT screen from about 15 ft away, in a light controlled, dedicated theater.

Keep in mind you are asking this question in the AE-8000's owner's thread and the answers will be biased of course, towards purchasing the AE-8000.

Ask this same question in any of the JVC owner's thread and of course they will say get the JVC.

It really is up to you to draw the line and decide what YOUR needs are and how long you can stretch your bugdet.

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post #4412 of 4432 Old 05-23-2015, 08:32 PM
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Quote:
Originally Posted by m. zillch View Post
Here, without me lifting a finger, you can see that the auto calibration has indeed placed the 100% and 0% levels exactly where they should be:

The horizontal line right above the words "HBO transmission test" shows where I placed the sampling scan line.

Big picture:
http://www.avsforum.com/photopost/sh...-color&cat=500
Select the bigger photo icon, a magnifier with a plus symbol in the center of it, in the lower right of that page.
Great idea. I've seen the off air too...def will dvr it myself. I did use the patterns on my wow disc as well.

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post #4413 of 4432 Old 05-25-2015, 03:35 PM
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Originally Posted by stitch1 View Post
I just sent mine in for warranty work. I have some kind of light leakage issue going on. basically I have a green/yellowish hue going from the bottom left to the top right. It's really throwing my black levels off and slightly changes the hue of colors. With that said I am hopeful Panasonic will be able to get it corrected for me. I do think the Panny is still a great value over the other units costing twice as much.



I know its hard to see the issue looking at a dark pic from a cellphone uploaded and compressed then loaded onto your PC monitor. But heres a pic of it none the less.





Please keep the forum updated on the outcome of this issue as my unit has exactly the same problem.

On my first observations I thought the bottom left & top right corners had light leakage as shadow detail on any low light scenes is quite poor, it is only when projecting full black that the green diagonal hue is seen.

I don't know if it is relevant to the problem but I have to raise one of the projector legs more than the other (sitting on a perfectly level shelf) to try to obtain a square image which still has a slightly droopy bottom right corner.
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post #4414 of 4432 Old 05-26-2015, 04:57 AM
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Lens shift question on the 8000. I currently have one in my theater, but it is mounted just slightly higher than the top of the screen. I'm looking at getting a second one for my barn. It has 18' ceilings and I need to mount the pj as close to the ceiling as possible. I'm planning on using a 175" 16:9 screen with the top of the screen being 14-15' up. Is there enough lens shift to drop as much as 4'? I would try this with the one in my theater but I have it set up for 16:9 and 2.35, it took forever to get both settings correct and I really don't want to mess with the lens if I don't have to.
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post #4415 of 4432 Old 05-26-2015, 09:49 AM
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focus

Quote:
Originally Posted by sim10101 View Post
hi all , i bought this pj this week and mine is just like the first photo , the desktop on me pc is blurred across the full screen text especially bad , funnily anough its constant across the full thing , is there anything i`m missing to get it focused sharp or am i looking at replacing it for another one ?

I would recommend using text in one of the AE-8000's internal menus to set the focus first. That should be the cleanest.


Then you can use text from your PC to check focus. If the internal menus are in focus, but the PC text is blurry, then perhaps an HDMI cable issue.


If the internal menus are blurry, and the PC text is just as blurry, also make sure that the various video processing filters are all off. They may be softening the edges.


Scott
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post #4416 of 4432 Old 05-26-2015, 05:50 PM
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Since i got this projector i really haven't dialed it in.....What are some of the setting you guy use watching HDTV & mainly Blu-Ray's.
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post #4417 of 4432 Old 05-26-2015, 07:53 PM
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Quote:
Originally Posted by manning99 View Post
Lens shift question on the 8000. I currently have one in my theater, but it is mounted just slightly higher than the top of the screen. I'm looking at getting a second one for my barn. It has 18' ceilings and I need to mount the pj as close to the ceiling as possible. I'm planning on using a 175" 16:9 screen with the top of the screen being 14-15' up. Is there enough lens shift to drop as much as 4'? I would try this with the one in my theater but I have it set up for 16:9 and 2.35, it took forever to get both settings correct and I really don't want to mess with the lens if I don't have to.
4 feet is a lot of offset...but might be supported. Verify in your owner's manual...there's a couple of charts for various screens and sizes, along with the supported offset amount. You can also download the manual pdf from the panny website.

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post #4418 of 4432 Old 05-26-2015, 11:12 PM
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Quote:
Originally Posted by 645824 View Post
I would recommend using text in one of the AE-8000's internal menus to set the focus first. That should be the cleanest.


Then you can use text from your PC to check focus. If the internal menus are in focus, but the PC text is blurry, then perhaps an HDMI cable issue.


If the internal menus are blurry, and the PC text is just as blurry, also make sure that the various video processing filters are all off. They may be softening the edges.


Scott
Hi there , thanks for the reply , when i say blurry i would say its out by a few pixels just at the point when focusing in and you the text gets down to the last few pixels it literally goes the other way . |It was like this out of the box.

I was playing around with it last night and I noticed that with zoom maxed out it would actually focus sharp but not when i make the image smaller ! How an earth does that happen ? Surely if that would focus sharp why would a smaller image not ?

In the last paragraph are you relating to video procssing filters on the pj itself if so which ones please ?

Last edited by sim10101; 05-26-2015 at 11:23 PM. Reason: to add more.
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post #4419 of 4432 Old Yesterday, 05:36 AM
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Quote:
Originally Posted by Nexgen76 View Post
Since i got this projector i really haven't dialed it in.....What are some of the setting you guy use watching HDTV & mainly Blu-Ray's.
Unfortunately, there isn't a set of settings that would work for everyone. Too many variables. Level of light control in the room, color of front and side walls, viewing distance, your own visual acuity and preferences, etc. Best advice I received was to get a calibration disk. I got the Disney WOW (World Of Wonder) BD, and it was super easy to use. I only went through the basic calibration, and the results were great. There is a more advanced calibration on there too, but I haven't had the time or the need to use it. There are other calibration BDs out there too, but WOW was easy for me and worked great.
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post #4420 of 4432 Old Yesterday, 06:42 AM
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Quote:
Originally Posted by asoofi1 View Post
4 feet is a lot of offset...but might be supported. Verify in your owner's manual...there's a couple of charts for various screens and sizes, along with the supported offset amount. You can also download the manual pdf from the panny website.
This calculator is helpful in determining placement flexibility. Looks like 4 feet shouldn't be an issue.
http://panasonic.net/avc/projector/c...69/ae8000.html
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post #4421 of 4432 Old Yesterday, 07:08 AM
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Quote:
Originally Posted by Nexgen76 View Post
Since i got this projector i really haven't dialed it in.....What are some of the setting you guy use watching HDTV & mainly Blu-Ray's.
You can use this review site to help get you started with some settings also...


http://www.projectorreviews.com/pana...-and-settings/
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post #4422 of 4432 Unread Yesterday, 10:49 AM
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Quote:
Originally Posted by manning99 View Post
This calculator is helpful in determining placement flexibility. Looks like 4 feet shouldn't be an issue.
http://panasonic.net/avc/projector/c...69/ae8000.html
That chart/calculator doesn't mention that when using the auto zoom CIH thingy [I forget what it is called] that the maximum permissible offset is reduced. I think that calculator is meant for general applications where that feature is not going to be used, which is I believe the more common scenario for the majority of owners, so if you are only going to publish one calculator, that's the one to publish.


Also, as is typical, using up one form of image shifting takes away from the maximum permissible amount of the other axis, or as they put it:
"NOTE: The shift range differs when vertical and horizontal shifting is done at the same time."

In A/V reproduction accuracy, there is no concept of "accounting for taste". We don't "pick" the level of bass, etc., any more than we pick the ending of a play. High fidelity means an unmodified, neutral, exact copy (or "reproduction") of the original artist's tonal balance, timing, dynamics, etc..
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post #4423 of 4432 Unread Yesterday, 04:13 PM
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Quote:
Originally Posted by j.woodhouse View Post
Please keep the forum updated on the outcome of this issue as my unit has exactly the same problem.

On my first observations I thought the bottom left & top right corners had light leakage as shadow detail on any low light scenes is quite poor, it is only when projecting full black that the green diagonal hue is seen.

I don't know if it is relevant to the problem but I have to raise one of the projector legs more than the other (sitting on a perfectly level shelf) to try to obtain a square image which still has a slightly droopy bottom right corner.

I received a shipping notification that will be on its way back to me. They didn't have it for very long. That makes me a little nervous. On the other hand maybe it didn't take much to fix. Another forum member @Archaea told me they were really quick with his as well. So that made me feel better because his looks great compared to mine. I'll let you all know how it looks once I receive it.
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post #4424 of 4432 Unread Today, 03:47 AM
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How many of you are running your Panny's with the iris off? I am running mine through a Oppo 103D. Some mentioned it would be better with it off.
Also, how easy is it to use those calibration discs?
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post #4425 of 4432 Unread Today, 06:07 AM
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Originally Posted by woodhead2 View Post
How many of you are running your Panny's with the iris off? I am running mine through a Oppo 103D. Some mentioned it would be better with it off.
Also, how easy is it to use those calibration discs?
I run mine with the dynamic iris off. No complaints.
I can only speak to the Disney WOW calibration disk. The basic calibration is very easy. Haven't done the advanced yet, but can't imagine it would be too difficult. Great instructions with the WOW BD.
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I always run mine with it ON... Panasonic's version of the dynamic iris is excellent... I don't have any issues with noise or noticeable image brightness pumping... IMO, in my room it makes a more pleasing image. You just need to test in your situation and see what you like best....
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ok...ignorant card time...

what is dynamic iris used for? benefits? cons?

I have it on...but dont know why

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post #4428 of 4432 Unread Today, 08:32 AM
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ok...ignorant card time...

what is dynamic iris used for? benefits? cons?

I have it on...but dont know why
Think of it as active brightness/contrast: http://www.projectorcentral.com/home...?page=Contrast

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post #4429 of 4432 Unread Today, 10:46 AM
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One can easily see the dynamic iris in action by selecting a dead input, an all black screen, and turning it on and off. The black becomes a deeper, darker black, improving perceived contrast.


I leave mine ON and have never encountered a real world movie/TV scene where it had any negative effect, however on some earlier pjs I've owned (not the 8000) I could audibly hear the dynamic iris turning on and off, a very slight fluttering sound only audible when running the fan in ECO mode during dead quiet scenes under weird/rare circumstances, e.g. a scene with strobe lights used in a dance club where the scene brightness is dramatically alternating between dark and light many times per second. It cause a faint, unobtrusive fluttering/purring sound.

In A/V reproduction accuracy, there is no concept of "accounting for taste". We don't "pick" the level of bass, etc., any more than we pick the ending of a play. High fidelity means an unmodified, neutral, exact copy (or "reproduction") of the original artist's tonal balance, timing, dynamics, etc..
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post #4430 of 4432 Unread Today, 11:55 AM
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Quote:
Originally Posted by stitch1 View Post
I received a shipping notification that will be on its way back to me. They didn't have it for very long. That makes me a little nervous. On the other hand maybe it didn't take much to fix. Another forum member @Archaea told me they were really quick with his as well. So that made me feel better because his looks great compared to mine. I'll let you all know how it looks once I receive it.
Thank's stitch 1, it will be interesting to see if the black levels are improved by the fix.
I've had mine too long now to do anything about it but it was worth keeping as it had decent convergence & no 3D crosstalk problems etc.

Hope the repair turns out well for you.
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When the Pro8100 first came out a number of years ago, the automatic iris was overly active and very distracting. ViewSonic came out with a firmware fix that you could download and that took care of the problem.

In space, no one can hear you scream . . .
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Well, I got the projector back. My focus is spot on fantastically good.





It looks better in person that I was able to capture with my camera.

However, I am not sure if my light issue was fully solved. I am going to spend some time with it this weekend to see if its as noticeable or not. It's kinda different.
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