Optoma UHD51A: 4K HDR 3D DLP Projector... w/ Alexa - Page 42 - AVS Forum | Home Theater Discussions And Reviews
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post #1231 of 1816 Old 08-19-2018, 12:56 PM
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Just got this projector yesterday. I have a couple questions. Was everyones box for it just a plain brown type packaging box with OPTOMA on it? I had seen an unboxing video of it on youtube and their box was colorful with a pic of projector on it. ? I bought it from Amazon if that makes any difference. Also, while taking off the stickers and plastic to it I noticed a tiny sticker on side vent that was crushed in some and already torn some and I just assumed it was another sticker that needed removed. It wasn't until I had taken most of it off that I noticed it had writing on it and it said warranty void if seal on it is broken!!?? .
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post #1232 of 1816 Old 08-20-2018, 12:56 AM
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Quote:
Originally Posted by Ken McPherson View Post
Unfortunately, Google translate does not work with images. Any chance you could repost here in English?
Hi Ken,
I am travelling ATM, I will ASAP.

Mike
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Sony XBR-75X940E (75XE9405) | Sony XBR-55X9305E (55XE9305) | Sony VPL-HW55ES | Optoma UHD51 | OPPO UDP 203 + 103D | Denon X4200W + PMA-520AE (Atmos Front) | 2 x Apple TV 4K | 2 x JBL Northridge E80 - JBL Northridge E150P/230 - 2 x ELAC B5 - 4 x ELAC A4 - ELAC Uni-Fi UC5
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post #1233 of 1816 Old 08-20-2018, 12:59 AM
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Quote:
Originally Posted by Darth Indy View Post
Just got this projector yesterday. I have a couple questions. Was everyones box for it just a plain brown type packaging box with OPTOMA on it? I had seen an unboxing video of it on youtube and their box was colorful with a pic of projector on it. ? I bought it from Amazon if that makes any difference. Also, while taking off the stickers and plastic to it I noticed a tiny sticker on side vent that was crushed in some and already torn some and I just assumed it was another sticker that needed removed. It wasn't until I had taken most of it off that I noticed it had writing on it and it said warranty void if seal on it is broken!!?? .
Mine sat in a colorful box with picture (UHD51 not A) and the warranty seals (both sides) looked also not very well applied.

Sony XBR-75X940E (75XE9405) | Sony XBR-55X9305E (55XE9305) | Sony VPL-HW55ES | Optoma UHD51 | OPPO UDP 203 + 103D | Denon X4200W + PMA-520AE (Atmos Front) | 2 x Apple TV 4K | 2 x JBL Northridge E80 - JBL Northridge E150P/230 - 2 x ELAC B5 - 4 x ELAC A4 - ELAC Uni-Fi UC5
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post #1234 of 1816 Old 08-20-2018, 05:31 AM
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Quote:
Originally Posted by Darth Indy View Post
Just got this projector yesterday. I have a couple questions. Was everyones box for it just a plain brown type packaging box with OPTOMA on it? I had seen an unboxing video of it on youtube and their box was colorful with a pic of projector on it. ? I bought it from Amazon if that makes any difference. Also, while taking off the stickers and plastic to it I noticed a tiny sticker on side vent that was crushed in some and already torn some and I just assumed it was another sticker that needed removed. It wasn't until I had taken most of it off that I noticed it had writing on it and it said warranty void if seal on it is broken!!?? .
Mine, purchased from Amazon, was a relatively nondescript cardboard box with an Optoma logo on it.
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post #1235 of 1816 Old 08-20-2018, 06:53 AM
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Quote:
Originally Posted by Shape of Grey View Post
Mine, purchased from Amazon, was a relatively nondescript cardboard box with an Optoma logo on it.



Ok, yes this was how mine was. I am in the USA so maybe the packaging here is different than in some places where Ive seen they have full color boxes.



The main thing I am concerned about is the void if warranty seal is broken sticker that is messed up and half way torn off. I literally just got it and am worried about how this would affect any warranty situation. . Guess I will contact OPTOMA today and make them aware and see what they say.



Was able to finally do some decent testing last night. I had the Viewsonic 747 before this and the colors, depth, and pop on this are waaaaaay better. I do feel though that for some reason I cannot seem to get the pq quite as sharp as far as actual sharpness, especially on faces in movies as I had with the 747, I havent messed with settings too much though. The zoomed in on a face scene is highly detailed, its on regular scenes where camera wasnt zoomed in on a face shot. Sorta seems little blurry/blend in like without fine details being brought out on the face. A huge advantage for this projector over all other Pixel shifting 4kers is the ability to download firmware updates yourself. I updated through wifi and it was simple and fast. I have not updated the LAN yet though. I have not tested any 3D yet. As far as gaming goes, XBOX ONE X looks and plays amazing on this. The lag even with motion processing still on low did not bother me at all except on Pinball FX3, I had to turn motion processing off to make that playable but once I did never noticed anymore lag and it did not affect my ability to play.
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post #1236 of 1816 Old 08-20-2018, 12:09 PM
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Quote:
Originally Posted by xxxsdesdexxx View Post
My projector screen goes black at least once a day and there's nothing I can do to get the picture back up except by shutting the projector down and restarting it. It usually happens once every few days, but today it happened about every 10 to 15 minutes. Any ideas? The first day I got the projector this happened and I ended up changing the 'High Altitude' setting which seemed to fix it for a while, but apparently not any more. When the projector goes dark, the blue led light is still on the projector. I have it on full power; see attached settings screenshot. Any insight would be appreciated.
I'll assume that I am the only one with this problem, but if not I'd like to provide more information about my set-up. My set-up:

I have a 25 ft monoprice cable directly connected from the projector to my Onkyo
TX-NR656 receiver's MAIN port. The receiver has several HDMI 2.2 ports. I watch 4K content on my Roku Premiere+ which is connected to one of the HDMI 2.2 ports and my AppleTV 4K which is connected to a different HDMI 2.2 port; the screen going black happens on both devices.

The monoprice cable is this:
Monoprice Certified Premium High Speed HDMI Cable, 4K @ 60Hz, HDR, 18Gbps, 28AWG, YUV 4:4:4, 25ft, White

the HDMI cables that connect the device(s) to the receiver are also the Monoprice Certified Premium High Speed HDMI Cables found above but they are 6 ft in length.
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post #1237 of 1816 Old 08-20-2018, 02:45 PM
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I would try different cables, as well as temporarily removing variables from the chain by directly connecting your devices to the projector bypassing the AVR.

If it's still dropping out after new cables and avr bypass... I'd start looking at the PJ being at fault and get a replacement.

Living Room-Sony 65" XBR900E, Denon X3300W, Nvidia SHIELD. 5.1.2-Ascend Acoustics CBM-170SE L/R, CMT-340Center, HTM-200SE Surround, RSL C34E Atmos, Sealed UM18-22 Sub.
"Micro Theater"-Optoma UHD51A, DIY 120" Spandex AT Screen, Denon X4400H, Sony UBP-800X, Nvidia SHIELD. 7.2.4 - DIYSG HTM-10 LCR, RSL CG3 Surround, Micca M-8C Atmos , 2 4cuf Sealed 18-22 Ultimax.
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post #1238 of 1816 Old 08-20-2018, 04:54 PM
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I connected this Optoma to PC today and have found few issues with HDR:

- right away HDR which works on TV did turn the whole screen super green. Once I changed from RGB to 4:2:2 all works fine.
How to make it work with RGB?

- 10 bit 4:2:0 and 4:2:2 does not work. Windows shows 10bit 4:2:0 but projector displays in options as 8 bit ;-(

- 8 bit 4:2:2, 4:4:4 and 4:2:0 works only.

It looks like projector have issues with RGB signal and does not work 4kUHD60 10bit ;-(
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post #1239 of 1816 Old 08-20-2018, 05:14 PM
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Quote:
Originally Posted by Paganmoon View Post
The issue for [email protected] via PC being shifted is a FW issue. I know Ken had the same issue on his UHD51A and a firmware update fixed it. Unfortunately the UHD51 can't be updated without a service. I think a workaround was found to be changing the color space, but I can't really recall, was a few pages back in this thread. I'll see if I can dig it up.
Edit: here's the workaround, though it's not a very good one:
So sending it in for service to get a new FW is probably the only solution.
This UHD51A is super strange. I got latest FW.

- 60Hz 10bit,12bit is not achievable on projector info.
- I was able to setup on PC max 12bit 4:2:2 but projector see that as 8 bit 4:2:2
- i was able to use on same BW (18Gib of HDMI) 8bit 4:4:4 (technically not HDR but seen on windows and projector as HDR)and projector sees it as 8 bit 4:4:4
- 10 bit option for 4:2:0 is not visible for me in nvidia panel for some reason, so i was not able to check it.
- 10 bit 4:2:2 works on PC as HDR but projector recognize it as 8bit 4:2:2 HDR (in info settings).

It looks like projector does not work with 60Hz and 10 bit + color.

Update:
Same confirmed on XBOX One X 60Hz is getting downgraded to 8bit 4:2:2 or 4:2:0, although it displays HDR.

Info shows 10bit HDR color only in case of movies with 24 Hz.

@Tuan ,

Can we get confirmation ?!?

Last edited by macmus; 08-20-2018 at 05:25 PM.
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post #1240 of 1816 Old 08-20-2018, 07:24 PM
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Quote:
Originally Posted by macmus View Post
This UHD51A is super strange. I got latest FW.

- 60Hz 10bit,12bit is not achievable on projector info.
- I was able to setup on PC max 12bit 4:2:2 but projector see that as 8 bit 4:2:2
- i was able to use on same BW (18Gib of HDMI) 8bit 4:4:4 (technically not HDR but seen on windows and projector as HDR)and projector sees it as 8 bit 4:4:4
- 10 bit option for 4:2:0 is not visible for me in nvidia panel for some reason, so i was not able to check it.
- 10 bit 4:2:2 works on PC as HDR but projector recognize it as 8bit 4:2:2 HDR (in info settings).

It looks like projector does not work with 60Hz and 10 bit + color.

Update:
Same confirmed on XBOX One X 60Hz is getting downgraded to 8bit 4:2:2 or 4:2:0, although it displays HDR.

Info shows 10bit HDR color only in case of movies with 24 Hz.

@Tuan ,

Can we get confirmation ?!?
From the Spec sheet:

Color Depth:

3840 x 2160 @30Hz YUV 4:4:4 (8bit, 10bit, 12bit), YUV 4:2:2
(8bit, 10bit, 12bit), YUV 4:2:0 (8bit, 10bit, 12bit)

3840 x 2160 @60Hz YUV 4:4:4 (8bit), YUV 4:2:2 (8bit), YUV
4:2:0 (8bit, 10bit, 12bit)

Last edited by Ken McPherson; 08-20-2018 at 07:28 PM.
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post #1241 of 1816 Old 08-20-2018, 09:07 PM
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Quote:
Originally Posted by Ken McPherson View Post
3840 x 2160 @30Hz YUV 4:4:4 (8bit, 10bit, 12bit), YUV 4:2:2
(8bit, 10bit, 12bit), YUV 4:2:0 (8bit, 10bit, 12bit)

3840 x 2160 @60Hz YUV 4:4:4 (8bit), YUV 4:2:2 (8bit), YUV
4:2:0 (8bit, 10bit, 12bit)

My whole day testing proves otherwise.

Looks like projector always downgrades to 8bit from PC and XBOX.

Only Netflix HDR on shield and playing UHD from Sony when going in 24Hz is able to pull 10bit 4:2:0. I was not able to get 10bit/12bit in info section of projector from any devices while working in 60Hz.

This is what i see when checking "info" in projector settings. The connected devices (e.g PC display settings, Xbox settings) shows it's working on 10bit while on projector it does display 8 bit.

Currently on PC i see the best image i got when I am running 12bit 4:4:4 and projector display in info section it as 8 bit 4:4:4.

It's ether projector bug or specs are wrong?

Last edited by macmus; 08-20-2018 at 09:15 PM.
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post #1242 of 1816 Old 08-21-2018, 09:22 AM
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Quote:
Originally Posted by macmus View Post
My whole day testing proves otherwise.

Looks like projector always downgrades to 8bit from PC and XBOX.

Only Netflix HDR on shield and playing UHD from Sony when going in 24Hz is able to pull 10bit 4:2:0. I was not able to get 10bit/12bit in info section of projector from any devices while working in 60Hz.

This is what i see when checking "info" in projector settings. The connected devices (e.g PC display settings, Xbox settings) shows it's working on 10bit while on projector it does display 8 bit.

Currently on PC i see the best image i got when I am running 12bit 4:4:4 and projector display in info section it as 8 bit 4:4:4.

It's ether projector bug or specs are wrong?
No argument. I just wanted to post what Optoma claims, for the record.

Last edited by Ken McPherson; 08-21-2018 at 03:13 PM.
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post #1243 of 1816 Old 08-21-2018, 09:27 AM
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Quote:
Originally Posted by macmus View Post
My whole day testing proves otherwise.

Looks like projector always downgrades to 8bit from PC and XBOX.

Only Netflix HDR on shield and playing UHD from Sony when going in 24Hz is able to pull 10bit 4:2:0. I was not able to get 10bit/12bit in info section of projector from any devices while working in 60Hz.

This is what i see when checking "info" in projector settings. The connected devices (e.g PC display settings, Xbox settings) shows it's working on 10bit while on projector it does display 8 bit.

Currently on PC i see the best image i got when I am running 12bit 4:4:4 and projector display in info section it as 8 bit 4:4:4.

It's ether projector bug or specs are wrong?
Are you outputting RGB or YUV?
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post #1244 of 1816 Old 08-21-2018, 10:53 AM
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Quote:
Originally Posted by macmus View Post
My whole day testing proves otherwise.

Looks like projector always downgrades to 8bit from PC and XBOX.

Only Netflix HDR on shield and playing UHD from Sony when going in 24Hz is able to pull 10bit 4:2:0. I was not able to get 10bit/12bit in info section of projector from any devices while working in 60Hz.

This is what i see when checking "info" in projector settings. The connected devices (e.g PC display settings, Xbox settings) shows it's working on 10bit while on projector it does display 8 bit.

Currently on PC i see the best image i got when I am running 12bit 4:4:4 and projector display in info section it as 8 bit 4:4:4.

It's ether projector bug or specs are wrong?
I guess this doesn't surprise me. I was just speaking with someone in another thread and was trying to explain that a projector's ability to accept 10 or 12 bit color depth does not actually mean it can display 10 or 12 bit color depth. Even if the projector tells you it is displaying 10 or 12 bit I would challenge you to run some test patterns to confirm that the display is able to resolve that increased color depth.


The real question is: do you see color banding (aka posterization or false contouring)? The real need for 10 bit color depth is when you are running HDR/DCI-P3.

What to do if you find yourself stuck with no hope of rescue:
Consider yourself lucky that life has been good to you so far. Alternatively, if life hasn't been good to you so far, which given your present circumstances seems to be more likely, consider yourself lucky that it won't be troubling you much longer...

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post #1245 of 1816 Old 08-21-2018, 01:33 PM
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Quote:
Originally Posted by Tuan View Post
Are you outputting RGB or YUV?

RGB from PC does not work.. whole screen is greenish tint and changing color space to RGB on projector does not help.
Could be another bug ?


YUV from both PC and XBOX
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post #1246 of 1816 Old 08-21-2018, 01:37 PM
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Originally Posted by sage11x View Post
I guess this doesn't surprise me. I was just speaking with someone in another thread and was trying to explain that a projector's ability to accept 10 or 12 bit color depth does not actually mean it can display 10 or 12 bit color depth. Even if the projector tells you it is displaying 10 or 12 bit I would challenge you to run some test patterns to confirm that the display is able to resolve that increased color depth.


The real question is: do you see color banding (aka posterization or false contouring)? The real need for 10 bit color depth is when you are running HDR/DCI-P3.
I'm running HDMI thru 4k 60 HDR studio spliter between this projector and Samsung 55 HDR LED TV 2016 (i forgot the name).

I can see the diffrence between when 10/8 bit is displayed on TV and projector. Projector does display this mostly closer to 8bit quality.
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post #1247 of 1816 Old 08-22-2018, 03:49 AM
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Originally Posted by MBullen View Post
Hi Ken,
I am travelling ATM, I will ASAP.

Mike

Ken,

hereby the translation as promised



Text at the top of the image:

The Heimkinoraum Edition of the Optoma UHD51 (not “A”) is configured to give the best possible image experience, independent whether the projector is used in a bright room, for TV viewing or set up in a dedicated projection room.
The projector has a plethora of settings to adjust colors, brightness, etc.. to your own taste or to the color videonorm.

The Heimkinoraum team has configured 5 parameters that customers have found to be very meaningful.
We have used all technical possibilities of the projector to:
a/ get the best brightness for TV viewing during daylight
b/ get the best contrast in a light controlled room
The setup is not completely on par with the videonorm but most users will find these settings brighter and sharper.

Text at the bottom of the image:

Please set the EDID Reminder to OFF in the settings

Sony XBR-75X940E (75XE9405) | Sony XBR-55X9305E (55XE9305) | Sony VPL-HW55ES | Optoma UHD51 | OPPO UDP 203 + 103D | Denon X4200W + PMA-520AE (Atmos Front) | 2 x Apple TV 4K | 2 x JBL Northridge E80 - JBL Northridge E150P/230 - 2 x ELAC B5 - 4 x ELAC A4 - ELAC Uni-Fi UC5
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post #1248 of 1816 Old 08-22-2018, 09:57 AM
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Quote:
Originally Posted by Darth Indy View Post
Ok, yes this was how mine was. I am in the USA so maybe the packaging here is different than in some places where Ive seen they have full color boxes.



The main thing I am concerned about is the void if warranty seal is broken sticker that is messed up and half way torn off. I literally just got it and am worried about how this would affect any warranty situation. . Guess I will contact OPTOMA today and make them aware and see what they say.



Was able to finally do some decent testing last night. I had the Viewsonic 747 before this and the colors, depth, and pop on this are waaaaaay better. I do feel though that for some reason I cannot seem to get the pq quite as sharp as far as actual sharpness, especially on faces in movies as I had with the 747, I havent messed with settings too much though. The zoomed in on a face scene is highly detailed, its on regular scenes where camera wasnt zoomed in on a face shot. Sorta seems little blurry/blend in like without fine details being brought out on the face. A huge advantage for this projector over all other Pixel shifting 4kers is the ability to download firmware updates yourself. I updated through wifi and it was simple and fast. I have not updated the LAN yet though. I have not tested any 3D yet. As far as gaming goes, XBOX ONE X looks and plays amazing on this. The lag even with motion processing still on low did not bother me at all except on Pinball FX3, I had to turn motion processing off to make that playable but once I did never noticed anymore lag and it did not affect my ability to play.

Both the units I received from Amazon were in plain cardboard boxes with a Optoma Logo and Optoma Logo'ed Tape.


Those warranty stickers are a bit weak though. Not sure why they would pick such a small round sticker. The ones on both the units I got were thankfully ok though.



I do find that the Firmware Update Process is both good and odd. It was very easy to update the main firmware over the internet, but find it odd that the LAN has to be downloaded and done through a USB Stick. Thankfully my replacement unit had both firmware's up to date.



Quote:
Originally Posted by macmus View Post
I connected this Optoma to PC today and have found few issues with HDR:

- right away HDR which works on TV did turn the whole screen super green. Once I changed from RGB to 4:2:2 all works fine.
How to make it work with RGB?

- 10 bit 4:2:0 and 4:2:2 does not work. Windows shows 10bit 4:2:0 but projector displays in options as 8 bit ;-(

- 8 bit 4:2:2, 4:4:4 and 4:2:0 works only.

It looks like projector have issues with RGB signal and does not work 4kUHD60 10bit ;-(

I was wondering about that Greenish Issue with one of the Display modes, (Bright). I got that with both units I tested. I was not sure if it was the projector itself or the FireTV Cube I am using. It seems to only happen on the Bright mode. Not sure if that is because of HDR though.
Anyways... That Greenish issue happens to me as well but oddly only for Bright mode. I had to switch the EDID for the HDMI to 1.4 instead of the normal 2.0 to make it go away, but that drops it down to 1080p.


I was also wondering about the HDR mode in general. The FireTV Cube says that it supports HDR but the regular HDR display mode is grayed out. All I get is HDR Sim. I am not sure if I am just not picking the right HDR Content or not using the right App in the FireTV or if it is just a hardware issue like either the FireTV Cube itself or the HDMI cable I am using. I am using the HDMI cable that came with the Projector. I'd think the one that came with the Projector would support HDR but who knows. I do plan to get a better HDMI cable as I need a longer one.



All I have is this FireTv right now as I am still shopping around for a 4K Bluray Player. So it may be a while before I can my test out my 4K HDR Blurays to compare it to what I am seeing with the FireTV Cube. Hopefully I can figure it out at some point. :P






So far I am liking this projector. The picture quality a amazing. I can't really compare it to other projectors as this is my first one, but so far I love it.
I am glad that I replaced the first one I got though. The Alexa USB Port was loose/unconnected but on this replacement it is nice and tight. The setup for the Alexa Smart Home feature worked great this time.
I mounted the projector to the ceiling last night. Now I just need to select a good screen for it. I am looking to get a Motorized screen as it will drop from this high ledge I have in my living room. Looking to maybe even installing it inside that ledge so that it is hidden when not in use. Slowly but surly I get everything setup.

Last edited by VectorRoll; 08-22-2018 at 09:10 PM.
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post #1249 of 1816 Old 08-22-2018, 12:04 PM
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Quote:
Originally Posted by VectorRoll View Post
Both the units I received from Amazon were in plain cardboard boxes with a Optoma Logo and Optoma Logo'ed Tape.


Those warranty stickers are a bit weak though. Not sure why they would pick such a small round sticker. The ones on both the units I got were thankfully ok though.



I do find that the Firmware Update Process is both good and odd. It was very easy to update the main firmware over the internet, but find it odd that the LAN has to be downloaded and done through a USB Stick. Thankfully my replacement unit had both firmware's up to date.
I think it makes sense not to update the LAN part over the network connection itself. If something goes wrong during that process your projector might get bricked forever since you’ll never get back online to give it a second chance.

Sony XBR-75X940E (75XE9405) | Sony XBR-55X9305E (55XE9305) | Sony VPL-HW55ES | Optoma UHD51 | OPPO UDP 203 + 103D | Denon X4200W + PMA-520AE (Atmos Front) | 2 x Apple TV 4K | 2 x JBL Northridge E80 - JBL Northridge E150P/230 - 2 x ELAC B5 - 4 x ELAC A4 - ELAC Uni-Fi UC5
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post #1250 of 1816 Old 08-22-2018, 12:07 PM
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Quote:
Originally Posted by MBullen View Post
Ken,

hereby the translation as promised



Text at the top of the image:

The Heimkinoraum Edition of the Optoma UHD51 (not “A”) is configured to give the best possible image experience, independent whether the projector is used in a bright room, for TV viewing or set up in a dedicated projection room.
The projector has a plethora of settings to adjust colors, brightness, etc.. to your own taste or to the color videonorm.

The Heimkinoraum team has configured 5 parameters that customers have found to be very meaningful.
We have used all technical possibilities of the projector to:
a/ get the best brightness for TV viewing during daylight
b/ get the best contrast in a light controlled room
The setup is not completely on par with the videonorm but most users will find these settings brighter and sharper.

Text at the bottom of the image:

Please set the EDID Reminder to OFF in the settings
I should have been more clear. It is the labels within the image (left column and column headers) that I was referring to. I can figure out some of them, but not all of them.

Thanks!
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post #1251 of 1816 Old 08-22-2018, 12:52 PM
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Originally Posted by Ken McPherson View Post
I should have been more clear. It is the labels within the image (left column and column headers) that I was referring to. I can figure out some of them, but not all of them.

Thanks!
But...I did translate these already, I thought you wanted the text as well. See settings I have posted on page 40 of this thread, bottom message (#1200).

Sony XBR-75X940E (75XE9405) | Sony XBR-55X9305E (55XE9305) | Sony VPL-HW55ES | Optoma UHD51 | OPPO UDP 203 + 103D | Denon X4200W + PMA-520AE (Atmos Front) | 2 x Apple TV 4K | 2 x JBL Northridge E80 - JBL Northridge E150P/230 - 2 x ELAC B5 - 4 x ELAC A4 - ELAC Uni-Fi UC5
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Originally Posted by MBullen View Post
But...I did translate these already, I thought you wanted the text as well. See settings I have posted on page 40 of this thread, bottom message (#1200).
Whoops! Somehow, I managed to miss that. Thanks so much for the link. :-)
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Quote:
Originally Posted by Ken McPherson View Post
Whoops! Somehow, I managed to miss that. Thanks so much for the link. :-)
No problem! Enjoy!

Sony XBR-75X940E (75XE9405) | Sony XBR-55X9305E (55XE9305) | Sony VPL-HW55ES | Optoma UHD51 | OPPO UDP 203 + 103D | Denon X4200W + PMA-520AE (Atmos Front) | 2 x Apple TV 4K | 2 x JBL Northridge E80 - JBL Northridge E150P/230 - 2 x ELAC B5 - 4 x ELAC A4 - ELAC Uni-Fi UC5
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Quote:
Originally Posted by VectorRoll View Post

I was wondering about that Greenish Issue with one of the Display modes, (Bright). I got that with both units I tested. I was not sure if it was the projector itself or the FireTV Cube I am using. It seems to only happen on the Bright mode. Not sure if that is because of HDR though.
Anyways... That Greenish issue happens to me as well but oddly only for Bright mode. I had to switch the EDID for the HDMI to 1.4 instead of the normal 2.0 to make it go away, but that drops it down to 1080p.
The beauty of this projector is that it automatically switch to HDR or to 3d. Not many projector on the market does that.

Are you connecting Cube directly or through AVR?

I have no issue with HDR detection from PC, NVIDIA shield, XBOX and PS. Just that the the values send to the projector from the devices (4:4:4 8/10 bit) does not match what projector is displaying like i described above.

It looks like HW limitation, but could be also an OS/Projector bug. We need to know detailed statment from Optoma support folks.
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Quote:
Originally Posted by VectorRoll View Post

I was wondering about that Greenish Issue with one of the Display modes, (Bright). I got that with both units I tested. I was not sure if it was the projector itself or the FireTV Cube I am using. It seems to only happen on the Bright mode. Not sure if that is because of HDR though.
Anyways... That Greenish issue happens to me as well but oddly only for Bright mode. I had to switch the EDID for the HDMI to 1.4 instead of the normal 2.0 to make it go away, but that drops it down to 1080p.

It‘s quite typical for a lamp driven projector that the very brightest mode has a green touch to it, some more some less. Blue and red are typical weaker and red looses from blue very often, making red the weakest color of all 3. Especially when no image processing is involved green takes over the place. It‘s exactely that behavior that I used with my Sony ES55 and a magenta filter to seriously increase my contrast, the setup was done with the Sony User5 setting which does not have any image pre-processing going on. Waiting for my new colorimeter to do exactly the same on this Optoma UHD51, I will use the filter of my Sony.

Sony XBR-75X940E (75XE9405) | Sony XBR-55X9305E (55XE9305) | Sony VPL-HW55ES | Optoma UHD51 | OPPO UDP 203 + 103D | Denon X4200W + PMA-520AE (Atmos Front) | 2 x Apple TV 4K | 2 x JBL Northridge E80 - JBL Northridge E150P/230 - 2 x ELAC B5 - 4 x ELAC A4 - ELAC Uni-Fi UC5

Last edited by MBullen; 08-23-2018 at 12:19 AM.
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Originally Posted by macmus View Post
The beauty of this projector is that it automatically switch to HDR or to 3d. Not many projector on the market does that.

Are you connecting Cube directly or through AVR?

I have no issue with HDR detection from PC, NVIDIA shield, XBOX and PS. Just that the the values send to the projector from the devices (4:4:4 8/10 bit) does not match what projector is displaying like i described above.

It looks like HW limitation, but could be also an OS/Projector bug. We need to know detailed statment from Optoma support folks.
I am connecting the Cube directly.
I tried messing around with the Cube's settings a bit. It seems a bit buggy to me. For 4K you need to set it to Auto in the Display Settings. You also can set the Depth to 8/10/12 bits. Problem I had is that it would get randomly stuck on those various settings. Like if I chose 12 bits then tried to change the Auto to 1080p or going from 1080p to Auto it would not always let me. Or vise versa having the Depth settings getting stuck. It would say something along the lines of "your display does not support that resolution" and it would not change the setting. It'd take a few tries of backing out the Settings and going back in them for it to let me change my Display and or Depth settings that got stuck. So the FireTV Cube just seems a little buggy on those settings at the moment. At least for mine.

Anyways... Even though it's get stuck like that I was able eventually set each various setting combo up to try. It just takes a while to get them in each one. Yet in testing each various settings I still have not seen it go into HDR mode. I don't know, maybe I am just not selecting the right content. Right now I can only use the FireTV cube and its Apps. Maybe the HDR Content I am selecting in the various Apps is Dolby Vision and not HDR10. The FireTV Cube only seems to support HDR10 after all.


I really need to pickup a 4k Player as soon as possible. One that supports each version of HDR or at least the two main ones. In the mean time I'll just have to keep messing around with it. :P
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Quote:
Originally Posted by MBullen View Post
Quote:
Originally Posted by VectorRoll View Post

I was wondering about that Greenish Issue with one of the Display modes, (Bright). I got that with both units I tested. I was not sure if it was the projector itself or the FireTV Cube I am using. It seems to only happen on the Bright mode. Not sure if that is because of HDR though.
Anyways... That Greenish issue happens to me as well but oddly only for Bright mode. I had to switch the EDID for the HDMI to 1.4 instead of the normal 2.0 to make it go away, but that drops it down to 1080p.

It‘s quite typical for a lamp driven projector that the very brightest mode has a green touch to it, some more some less. Blue and red are typical weaker and red looses from blue very often, making red the weakest color of all 3. Especially when no image processing is involved green takes over the place. It‘s exactely that behavior that I used with my Sony ES55 and a magenta filter to seriously increase my contrast, the setup was done with the Sony User5 setting which does not have any image pre-processing going on. Waiting for my new colorimeter to do exactly the same on this Optoma UHD51, I will use the filter of my Sony.
That's interesting. Thanks for the info. I will have to look into that.
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Is Optoma active in this topic still ?
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Is Optoma active in this topic still ?

Tuan comes peeping around the corner from time to time. Unfortunately his presence is directly proportional to the launch of a new product.
He might give you some answers but don't count on it too much, still waiting for one as well....


Mike

Sony XBR-75X940E (75XE9405) | Sony XBR-55X9305E (55XE9305) | Sony VPL-HW55ES | Optoma UHD51 | OPPO UDP 203 + 103D | Denon X4200W + PMA-520AE (Atmos Front) | 2 x Apple TV 4K | 2 x JBL Northridge E80 - JBL Northridge E150P/230 - 2 x ELAC B5 - 4 x ELAC A4 - ELAC Uni-Fi UC5

Last edited by MBullen; 08-23-2018 at 11:22 AM.
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HDR and WCG color settings in Windows 10

I haven't seen this mentioned here, so am wondering whether we're all on the same page:

https://support.microsoft.com/en-us/...color-settings
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