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NEC LCD2690

Tamlin_WSGF said:
You can calibrate the whitepoint through the screen via service menu, but that would void warranty, so I haven't tried it. Besides that, you have LUT calibration of the GFX card as any other screens. It will look right then.

From whats not been mentioned here, I can also confirm from my own tests that contrast suffer from low brightness (like 120cd/m2). Picture doesn't suffer much though from the reduced contrast.

GOOD stuff I have experienced after half a year! :D
Click to expand...

Tamlin, how does one access the service menu to identify the sRGB profile and then perform the calibration? Would not this consist of rewritting or editing the LUT in the monitor's firmware? Have you successfully created an sRgb profile that you can easily switch to view in sRGB when you like? Some claim that one cannot have a working sRGB preset for the 2690. This seems odd given that, at least from my brief read of the instruction manual quite some time ago, I thought one could create recallable profiles.

What is the optimal level for low brightness versus contrast? My recollection was that someone posted that below 140 cd/m2 the contrast reduced 50%. Ideally one would like to maintain contrast down to 100-120 cd/m2 but that seems not possible with the 2690. I wonder if the new release of the Spectraview II software changes the result. Any thoughts on the best setting for brightness to obtain the maximum contrast?
 
Tamlin_WSGF said:
I find this whole line thing strange. Its not that I don't believe you see them, this I do, but I've examined 2 2690WUXi and have searched through english, german, spanish and japanese forums looking for someone having the same issues. Nobody else, including tech guys that Travbomb got to check for the issues, have them. Its not confirmed here in this thread by others either. The closest thing I could find that could explain this, was errors in calibrators. I'll see if I find it again for you during this weekend. :)
Click to expand...
Hardly anyone has mentioned the faint vertical lines on aqua colors on the 23" Apple, but I've seen them on every 23" Apple including the ones at the local Apple store. I also saw the lines on the 20" Apple on display, but nobody has ever mentioned seeing the lines on the 20" Apple. That makes me think most people just don't see the lines even if they're there, which bothers me because if nobody notices the problem, the problem will never get fixed. When I sent some images to travbomb, he couldn't even see lines in the image that was supposed to have lines, and when I sent it in, it was returned with no problems found. Maybe I'm just extra sensitive to the lines, but the lines shouldn't be there.

I came up with a test to see if your monitor has the lines. View this image in the bottom-left corner of the screen:
lines-test.png

If one half appears smooth while the other half has lines, then your monitor has the lines.
If both halves appear to have lines, then your monitor doesn't have the lines, or they're not strong enough to affect this image.
If both halves appear smooth, then you probably can't see the lines even if they're there.

Apparently, one particular revision of the 15" PowerBook had a similar problem:
http://forums.macrumors.com/showthread.php?t=158751

Tamlin_WSGF said:
You can calibrate the whitepoint through the screen via service menu, but that would void warranty, so I haven't tried it. Besides that, you have LUT calibration of the GFX card as any other screens. It will loook right then.
Click to expand...
The problem is adjusting the sRGB preset through the service menu is a manual process, and it still can't be internally calibrated to sRGB. I don't have to deal with this on the 24".

Tamlin_WSGF said:
One of the checkerboard test with checkerboard bleeding into solid doesn't happen on either screen. The other test with square turning pinkish could be reproduced with both screens if I used the black level slider, but no changes when calibrated. This I can reproduce even if the squares are positioned dead center of the screen. But only if the black level adjustment is turned way down. Try and see if you can reproduce it with the black level adjustment of the 2490WUXi too. Would be interesting.
Click to expand...
Interesting. The 24" does the same thing you described. I guess it still happens but with darker patterns:
pattern3.png

I'm not too concerned about this since it was never a deal-breaker for me, but it seems like an odd problem.

Tamlin_WSGF said:
From whats not been mentioned here, I can also confirm from my own tests that contrast suffer from low brightness (like 120cd/m2). Picture doesn't suffer much though from the reduced contrast.
Click to expand...
That's true. Even with the reduced contrast, the colors still look good, but black suffers a bit. Contrast only affects the ratio between white and black anyway, and since the NEC monitors don't have the IPS glow, they look pretty good compared to other LCD monitors.

Tamlin_WSGF said:
Its good that you can finally be happy about a screen. I prefer the 2690wuxi (I've never seen the 2490WUXi, but I WANT wide gamut and need it too for pictures).
Click to expand...
If your 26" is as good as my 24", then I wouldn't hesitate to recommend it, but NEC never seems to acknowledge any problems I experience.

I'm sending in a 20WMGX2 for repair due to staining and image persistence problems. They better not return it with no problems found.
 
ToastyX said:
Hardly anyone has mentioned the faint vertical lines on aqua colors on the 23" Apple, but I've seen them on every 23" Apple including the ones at the local Apple store. I also saw the lines on the 20" Apple on display, but nobody has ever mentioned seeing the lines on the 20" Apple. That makes me think most people just don't see the lines even if they're there, which bothers me because if nobody notices the problem, the problem will never get fixed. When I sent some images to travbomb, he couldn't even see lines in the image that was supposed to have lines, and when I sent it in, it was returned with no problems found. Maybe I'm just extra sensitive to the lines, but the lines shouldn't be there.

I came up with a test to see if your monitor has the lines. View this image in the bottom-left corner of the screen:
lines-test.png

If one half appears smooth while the other half has lines, then your monitor has the lines.
If both halves appear to have lines, then your monitor doesn't have the lines, or they're not strong enough to affect this image.
If both halves appear smooth, then you probably can't see the lines even if they're there.

Apparently, one particular revision of the 15" PowerBook had a similar problem:
http://forums.macrumors.com/showthread.php?t=158751
Click to expand...

There is a big chance you are just extra sensitive to the lines and others can't see them. Expecially if the problem is as wide as you say, considering the lack of reports about them.
I'll take a macro picture of the test patterns you just provided later, so you can examine them too. Considering that you can't find them on the 2490WUXi, chances are that you can't find them on my screen too, but it would be interesting to see. :)


The problem is adjusting the sRGB preset through the service menu is a manual process, and it still can't be internally calibrated to sRGB. I don't have to deal with this on the 24".
Click to expand...

Thats true. :) But, the 24" is one of the very few screens that allows you to internally calibrate the LUT to sRGB. Whats good with the 2690WUXi's sRGB preset(compared to screens without LUT calibraton), is that the screen itself stabelize the colors and brightness after choosing the preset. This means you have to wait a bit after switching profiles, but the result becomes much better. You should also choose switch gamma correction over to 2.2 for best result:
my.php
[/URL][/IMG]
As you can see, I have no need of adjusting white point in service menu.

Interesting. The 24" does the same thing you described. I guess it still happens but with darker patterns:
I'm not too concerned about this since it was never a deal-breaker for me, but it seems like an odd problem.
Click to expand...

The black level slider adds an offset to the black levels, which might explain this. You can also calibrate the "white point" of black here.

That's true. Even with the reduced contrast, the colors still look good, but black suffers a bit. Contrast only affects the ratio between white and black anyway, and since the NEC monitors don't have the IPS glow, they look pretty good compared to other LCD monitors.
Click to expand...

Yes, colors look excelent even with less contrast, but it wouldn't hurt with deeper black. Having black levels smooth is the most important thing for me though.

If your 26" is as good as my 24", then I wouldn't hesitate to recommend it, but NEC never seems to acknowledge any problems I experience.
Click to expand...

Both of them are, so its a shame you got unlucky with two 2690WUXi. A bit unfair. But it seems you would prefer to LUT calibrate sRGB, so things turned out good anyway.
Though it would have been nice to be able to LUT calibrate the sRGB preset, the need is greater to LUT calibrate the wide gamut due to the larger spread of shades.

For others who wants to read up on the sRGB preset (that can be found in BOTH the 2690wuxi and the 2490wuxi), you can go here:
http://www.nec-display-solutions.co...pecials,spec=x__uk__en,docId=211754,group=all
Press the sRGB picture for more info.

I'm sending in a 20WMGX2 for repair due to staining and image persistence problems. They better not return it with no problems found.
Click to expand...

Keep us updated in how it goes. We have a lot of members at WSGF who have this screen, so it would be good to have a reference on what's happening and what to do if they encounter these issues. :D
 
aokahn said:
Tamlin, how does one access the service menu to identify the sRGB profile and then perform the calibration? Would not this consist of rewritting or editing the LUT in the monitor's firmware? Have you successfully created an sRgb profile that you can easily switch to view in sRGB when you like? Some claim that one cannot have a working sRGB preset for the 2690. This seems odd given that, at least from my brief read of the instruction manual quite some time ago, I thought one could create recallable profiles.
Click to expand...

Enter the info screen tag E in the advanced menu. Hold in reset while pressing both left and right. You will alter the LUT calibration of the white point and there is a risk that you can destroy the steppings afterwards. I don't need to alter it, so I haven't tried.
You have a fully functional sRGB preset for the 2690. But, you need to wait until the screen internally calibrate itself to the switch of profile. Those who didn't bothered to wait, might have gotten bad results afterwards. This is an advanced piece of machinery with internal sensors, so its not "just to switch". People are too used to cheap sRGB implentations and doesn't bother to wait before they make judgement. Switch and wait. Same goes when you turn on the screen. All screens needs time to stabelize.



What is the optimal level for low brightness versus contrast? My recollection was that someone posted that below 140 cd/m2 the contrast reduced 50%. Ideally one would like to maintain contrast down to 100-120 cd/m2 but that seems not possible with the 2690. I wonder if the new release of the Spectraview II software changes the result. Any thoughts on the best setting for brightness to obtain the maximum contrast?
Click to expand...

You get best results by using autoluminace on level 3 and wait until it stabelizes. Reduction of contrast isn't a big problem, since it only reflects the ratio between brightness low and brightness high. PQ looks excelent even at low brightness and so does the greyscale even with the reduced contrast.

The optimal level for low brightness versus contrast is based upon the lowest black point your screen can get. You can find this by turning the brightness all the way down (or using autoluminance level 3 on lowest settings). After that, the formula is as following:

Brightness / contrast = black point
Brightness / black point = contrast
Black point x contrast = brightness
Etc.
 
I finally had my 2690 mailed to me! I have it connect dvi-hdmi from the dvi-d port, but I'm annoyed by the grey borders.....does anyone know if you can change the color? how can i change it through the menus?

edit: nevermind, figured out how to access the secret menu.

edit 2: Bleh, now I'm having issues switching inputs from dvi-i (PC) to dvi-d (PS3). It seems like most of the time the NEC won't display the signal coming from the dvi-d line when the PC is on...

anyone having any ideas as to what i can do? i have a feeling i'm doing something wrong here. so any help is appreciated.
 
I have the Nec 19" 1970GX 8ms and its very sharp & colorful. Got it two years ago and payed over $600 for it, not a widescreen though.
 
i dont particularly need the wide-gamut as i am not a photographer or anything. if they sold the 2490 in europe id get that, but basically it appears to be a decision between this and the 23" apple. unfortunately the apple does not appear to have the inputs i would like (the display will be primarily for computer use but would prefer to have the option to connect a dvd player to it too)

im afraid to say i dont have time to read through this entire thread, so if anyone would be so kind as to answer... would i be right in thinking that when you set it to srgb preset it doesn't over-saturate the colours for ordinary (ie gaming) use? basically, if you dont need the whole wide-gamut, is srgb a way of making the monitor behave exactly like a 'normal' display? or am i confused somewhere :)
 
tim987 said:
Bleh, now I'm having issues switching inputs from dvi-i (PC) to dvi-d (PS3). It seems like most of the time the NEC won't display the signal coming from the dvi-d line when the PC is on...

anyone having any ideas as to what i can do? i have a feeling i'm doing something wrong here. so any help is appreciated.
Click to expand...
That's the PS3 input switching problem I talked about before. That's what I mean when I say it "misses" the PS3. It turns out it still happens on the 24" every once in a while, but not as often as it did on the 26".

In the advanced menu, go to section 7, and set VIDEO DETECT to OFF. That will allow you to switch inputs manually.
 
You may remember I posted there was an acknowledgement by NEC EUrope that the colorcomp calibration was not correct on most 2690s leaving the factory and would show up on monitors calibrated to a low brightness ouptut (e.g 120cdm2) as slight colour uniformity errors.

NEC have now contacted me and advised me they are sending a courier to swapover my monitor with a brand new one from the factory as the problem has now been corrected in manufacturing.

The serial number of my old 2690 started 731, and the new one they are sending starts 771

I will report back after I receive it next week.
 
I received my replacement unit which is now revision 4C.

This one is much better with colorcomp even at lower luminance levels. I wouldn't say its perfect though, as the luminance is a bit brighter at the edges.

However it is just as well colorcomp now works for me, because there is really quite a noticeable brightness difference between top left and bottom right with colorcomp off.
 
My 2690 arrived yesterday. It has some problems, backlight bleeding, scratches on the panel surface and one dead pixel. I also noticed that at extreme angles, black has a reddish tint (see attached photo). Can anyone tell me if this is a problem of h-ips technology or just an issue of my unit?

P9121875.jpg


SituazioneBacklightbleed.13092007.jpg
 
My 24" is defective. :( I keep getting a flickering line in the upper-left or upper-right corner of the screen.

Here are videos of the problem from two different computers:

http://www.toastyx.net/flicker.mp4
http://www.toastyx.net/flicker-pc.mp4

It figures. Right when I find a monitor I like, there has to be something wrong with it. The good news is NEC is sending a brand new replacement since it's still within 30 days, but knowing my luck, the replacement will have some other problem.

I got my repaired 20WMGX2 back. It looks like they replaced the panel, but the new panel has a dead red subpixel. :( It doesn't matter. I know someone who is willing to buy it from me anyway.

van_der_goes said:
I also noticed that at extreme angles, black has a reddish tint (see attached photo). Can anyone tell me if this is a problem of h-ips technology or just an issue of my unit?
Click to expand...
The red tint at an angle is normal. I think it's due to the A-TW polarizer, but trust me, it's better that way. Without it, there'd be a more noticeable white glow at slight angles.
 
I received the replacement 24", and as expected, it has other problems. :D :D :D :(

The replacement has the same standby mode problem I saw on the 26". The original is revision 2C, serial number starting with 751. The replacement is revision 2B, serial number starting with 731, which is obviously older, so it seems the standby mode problem was fixed in a recent revision.

Now that I have two of these monitors, one with the problem and one without the problem, I can show them side by side.

Here is a video: http://www.toastyx.net/standby.mp4

The original (left) displays a "no signal" message and goes into standby mode a few seconds later. The replacement (right) displays an "out of range" message for 45 seconds and stays on.

That's not all. The replacement also has a small dark spot, like there's a piece of dirt embedded in the panel or something.



I immediately called NEC tech support about both problems. I also mentioned how I reported the standby mode problem on the 26" and sent it in for repair, but nothing was done about it. After speaking with a tech, they agreed to replace both monitors; however, they have no control over which revision I will receive. I'll see what happens when I get the replacements next week.

The good news is other than those problems, the replacement is just as good as the original. There are no faint lines like on the 26", and the colors are great out of the box. Both have good backlight uniformity:



The original is mostly uniform with only slight variations. The replacement is almost perfectly uniform except for the bottom right, but even that's barely visible. Both are better than my 26".

I hope third time's a charm because I'm really getting tired of swapping monitors.
 
I have one of the very early (711...) high pitched humming/buzzing European 2690s. It's still humming. Is this problem now completely cured in current production models?

I find a notch up of additional sharpness (to 28.6) helps me. But will it mean that I am getting a false impression of photo sharpness and therefore photo post processing?

Thanks

David
 
Mine hums, but only when brightness is near 0%. At 100% it's silent. The serial number begins with 771. I should receive the replacement this week. I hope all the problems my unit have won't be present in that one...
 
My 771 unit still makes a slight crickets type noise at lower brightness levels, but it is quiet enought hat it doesnt bother me.

With colorcomp off though, it is really not uniform. I notice people are using black screens to check for uniformity...you should try with a white screen too. What I find is that the top left corner is less bright and slightly bluish white and at the bottom right it is brighter and a yellow white. The colorcomp does a very good job of correcting it, but what I also found is that colorcomp is calibrated assuming the backlight is not dimmed. When the backlight is dimmer, the panel runs cooler and some of the corrects aren't quite right resulting in slightly brighter screen edges.

I think perfection is impossible and I have resigned to the fact I have as good as I am going to get.
 
I got the replacements on Monday, but I'm so tired of dealing with this crap that I didn't open them right away. The replacement 24" is another revision 2B, so it will have the same standby mode problem. I'm debating whether or not to open that one. The replacement 26" is refurbished, so I just decided to open that one. You won't believe this...



Seriously, that's no joke. There are a bunch of stuck red pixels organized in that pattern in the middle of the screen. There must be at least a thousand of them. I wonder if I hold the record for most stuck pixels. :D :( That's probably why it was returned in the first place. It's like they didn't even bother to check.

If it weren't for the fact that my camera could capture these problems, I'd think I was losing my mind. Why am I getting all the bad monitors?

It also has every other problem I mentioned before. It has the faint horizontal lines that are stronger on the left side of the screen for some reason, although they're not as strong as my first replacement. After seeing the lines on three different units as well as on a 26" Planar, I can only conclude that most monitors with the 26" LG H-IPS panel have the lines and that most people just don't see them. That seems to be the case with the 23" Apple. It also has a little more backlight bleeding than my first replacement, which is not so bad compared to the original or the 26" Planar I had. It also has the standby mode problem that I've mentioned several times already. That's three units with the same problems.

I just spotted a dead pixel too. This is getting ridiculous. Oh wait, there's a stuck green one too. Hooray!

Will the replacement 24" have problems? Find out next time on Monitor Swap.
 
What are you gonna do now? I thought I was the unluckiest guy in the world when I got 4 defective Nintendo DS Lite's in a row, while my current monitor developed a stuck pixel after two years of owner ship. But your ordeal is much greater. I didn't think that level of defectiveness (is that a word?) was even possible.

I know many people have have already questioned Nec's quality control. Does anyone know who manufactures the monitors? Is it Nec or someone else?

I think someone already asked this question and I have no proof whatsoever, but is it possible that ordinary people are given lower grade units while actual businesses or certain customers get preference and more pristine models?

I was considering getting 24 or 26 Nec model, but now I am kind of unsure... I have had so many instances where I would rather buy a 100% working display model of a certain item rather than play a game of chance with something new. Can't find much info on 24". Must be because a lot of people live in Europe where it isn't available.

I wonder how large my budget needs to be to get a great monitor.

I think you deserve to have a full working monitor at this point. can you get a refund or get a brand new monitor from Nec?
 
Hey ToastyX,

I noticed that you mentioned that you own the 20WMGX2 and also consider the 24" to be a great display.

With that said, in terms of image quality, how does the 20" compare to the 24"? I am trying to decide if the extra $$$ for the 24" is worth it.

Thanks,

Dave
 
davewolfs said:
Hey ToastyX,

I noticed that you mentioned that you own the 20WMGX2 and also consider the 24" to be a great display.

With that said, in terms of image quality, how does the 20" compare to the 24"? I am trying to decide if the extra $$$ for the 24" is worth it.

Thanks,

Dave
Click to expand...

Great question.

I'm still seriously considering gettting that discontinued 20wmgx2 while I still can but ideally, I'd like a 24 if I can get it.

A few people here in this thread were gracious enough to answer a PM that I sent them because I didn't want to bump this thread with relatively off topic material. My thanks to them for that.

I also see NEC is putting these out: http://www.necdisplay.com/NewsAndMe...srelease=a1df79f8-875f-4782-813f-ad2fd04adc86

^^ What panels are these going to use?

Maybe this is unfair, but from scouring this thread and a few others and the NEC 2690 threads over at WSGF, I'm under the impression that NEC's quality control ain't what it used to be. Even these 20wmgx2s really seem to be wild cards of various bugaboos and blatant quality control issues.

That's my perception anyways. I'm not saying that's actual reality.

Some of you are incredibly forgiving, because I can tell you: If I spend $1000-$2000 on a monitor and go through a bunch of exchanges, roulette, and crazy stuff like some of you have I'd be beyond irate.

I see some of you here and at WSGF talking about how you've exchanged your 2690's two, three times...what happened to "Fool me once, shame on you; fool me twice, shame on me" to say nothing about a number higher than that? ;)

That being said, I view the NEC 2490wuxi as my absolute overkill crazy high end ceiling. By most accounts, I'm getting the idea something like that and certainly the 2690 and 2490 would be extreme overkill for a non-professional such as myself.

I'm all over the place... ;)
 
Is all the talk on colors being messed with the 2690 true or what? Does this still occur after the display has been calibrated?

Is there an option to have a sRGB profile on this display?
 
Q-BZ said:
I also see NEC is putting these out: http://www.necdisplay.com/NewsAndMe...srelease=a1df79f8-875f-4782-813f-ad2fd04adc86

^^ What panels are these going to use?
Click to expand...
The specs read like a TN panel.

Q-BZ said:
Maybe this is unfair, but from scouring this thread and a few others and the NEC 2690 threads over at WSGF, I'm under the impression that NEC's quality control ain't what it used to be. Even these 20wmgx2s really seem to be wild cards of various bugaboos and blatant quality control issues.

That's my perception anyways. I'm not saying that's actual reality.

Some of you are incredibly forgiving, because I can tell you: If I spend $1000-$2000 on a monitor and go through a bunch of exchanges, roulette, and crazy stuff like some of you have I'd be beyond irate.

I see some of you here and at WSGF talking about how you've exchanged your 2690's two, three times...what happened to "Fool me once, shame on you; fool me twice, shame on me" to say nothing about a number higher than that? ;)
Click to expand...
The problem is, what else is there to get? They all seem to have problems. To be quite honest, I'd rather use a 2490 with problems than a 24" PVA or TN panel, but the problems I encountered on the 2490 were relatively minor. The 2690 is another story. I should have returned that when I had the chance, but everyone acted like my experience was isolated. I figured a replacement would take care of the problems, but no, they all have the same problems, and it seems the refurbs have extra problems thrown in. I've consistently encountered better quality with the 2490 than the 2690.
 
davewolfs said:
Is all the talk on colors being messed with the 2690 true or what? Does this still occur after the display has been calibrated?

Is there an option to have a sRGB profile on this display?
Click to expand...
The 2690 can't be calibrated to a lesser gamut. I think only the more expensive Eizo monitors can do that.
 
ToastyX said:
The specs read like a TN panel.
Click to expand...

Indeed they do.

The problem is, what else is there to get?
Click to expand...

Boy, isn't this the key question of them all?

This question almost should be emblazoned at the top of the entire display subforum in huge, bright font. ;)


They all seem to have problems. To be quite honest, I'd rather use a 2490 with problems than a 24" PVA or TN panel, but the problems I encountered on the 2490 were relatively minor. The 2690 is another story. I should have returned that when I had the chance, but everyone acted like my experience was isolated. I figured a replacement would take care of the problems, but no, they all have the same problems, and it seems the refurbs have extra problems thrown in. I've consistently encountered better quality with the 2490 than the 2690.
Click to expand...

Any ideas why that is?

I'm seeing some prices on the 2490 starting to come down halfway to Earth. Provantage, for example.

It's something I'm going to keep an eye on, since ideally I want a high quality 24 incher monitor.
 
davewolfs said:
Is all the talk on colors being messed with the 2690 true or what? Does this still occur after the display has been calibrated?

Is there an option to have a sRGB profile on this display?
Click to expand...

Yes, there is an option to reduce the gamut to sRGB. The sRGB preset operates with a lower gamut.

Here it is, measured with Spectraview profiler:

my.php


I use Software calibration (video lut) to calibrate it. Note that you have to wait for a while so that colors and brightness would be internally adjusted to the selected preset.

spectraviewprofilerqc0.jpg


Here is a backlight picture of my screen btw. The only light source is the leds in different hardware. I used two different ISO settings. These are of the ones that didn't turn blue. Shitty camera... :D Visually, black is totally uniform and as you can see, I've tried to capture digitally any variation of black here.

Click for larger version.

Backlight ISO 100 (exposure 2.72 seconds):



Backlight ISO 400:

 
Tamlin_WSGF said:
Yes, there is an option to reduce the gamut to sRGB. The sRGB preset operates with a lower gamut.

Here it is, measured with Spectraview profiler:

my.php


I use Software calibration (video lut) to calibrate it. Note that you have to wait for a while so that colors and brightness would be internally adjusted to the selected preset.

spectraviewprofilerqc0.jpg


Here is a backlight picture of my screen btw. The only light source is the leds in different hardware. I used two different ISO settings. These are of the ones that didn't turn blue. Shitty camera... :D Visually, black is totally uniform and as you can see, I've tried to capture digitally any variation of black here.

Click for larger version.

Backlight ISO 100 (exposure 2.72 seconds):



Backlight ISO 400:

Click to expand...

Tamlin, you mention that you can force the 2690 into an SRGB space. But you cannot calibrate the hardware LUT in this mode. But you can calibrate the video LUT? Is all of this handled by SpectraView?

Also, ToastyX mentioned that when using the sRGB preset on the 2690 colors still did not look right (over saturation). Is the method that you are suggesting completely different then using the sRGB preset?

In short, I would like to know if it is feasible to have the 2690 act in an sRGB only mode and second, if that mode can be calibrated.
 
As long as we're talking also about the 24"...

I received the 2490WUXi this week. I have no complaints. Really nice monitor.

I also purchased a 2190UXi to run in portrait mode next to the 2490WUXi as part of a workstation I am setting up. I had a devil of a time matching the two monitors until I started backing off the brightness on the 2490. It's now down to ~20% whereas the 2190 is left at 100%. I thought these two monitors would be pretty similar but apparently not. The 2490 is really hot. I also had to slightly alter the color curve on the 2190.

I should have just gotten two 2490s but the 24" is a little tall for portrait mode...

(I do medical imaging and light graphics work and also own other NEC monitors, including their 21" 2048x1536 gray scale LCD).
 
I'm truly blown away by my new 2490. No dead pixels. Great color and grays out of the box although I kept the screen in native and did some basic tweaking.

Refined a few things to my liking in both standard and advanced OSM.

I don't think there's a better 24 inch WS LCD on the market and certainly not anywhere remotely close to the sales price Provantage has going on right now for both 2490 and 2690 here in the States.

I know this is a monitor I'm going to get many good years out of.

Awesome! :D
 
Yah prices at Provantage are amazing. I just placed my order today for a 2490 along with a Pantone Eye One LT.

I will use the SpectraView software to calibrate.
 
I see you've ordered the 2490, so I'm answering this in case others wonder. :)

davewolfs said:
Tamlin, you mention that you can force the 2690 into an SRGB space. But you cannot calibrate the hardware LUT in this mode. But you can calibrate the video LUT? Is all of this handled by SpectraView?
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I can only speak for the Spectraview profiler, but yes. You can calibrate the video LUT. Basically, you have the same limitations as the Apple Cinema Display when it comes to RGB adjustments. As you might know, the ACD can't be RGB adjusted, so any calibration would be in the GFX LUT. You have an option in Spectraview profiler to do a software calibration with GFX LUT instead of directly on monitor LUT. Spectraview profiler supports 16-bit LUTs as do most GFX cards of newer date.

Also, ToastyX mentioned that when using the sRGB preset on the 2690 colors still did not look right (over saturation). Is the method that you are suggesting completely different then using the sRGB preset?
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I think ToastyX refers to the use of wide gamut on sRGB material. The sRGB preset limits the gamut to standard. This you can see even visually when changing to sRGB preset and measurements confirm it.

NEC also officially support sRGB:
http://www.nec-display-solutions.co...pecials,spec=x__uk__en,docId=211754,group=all


In short, I would like to know if it is feasible to have the 2690 act in an sRGB only mode and second, if that mode can be calibrated.
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Yes you can and yes it can. But, if you don't need larger then sRGB, then the 2490 would be the right choice. The 2690 is primarily a wide gamut screen and can be calibrated for optimal accuracy in wide gamut via the monitor lut. The 2490 is primarily a standard gamut and can be calibrated optimally to standard gamut via the monitor LUT.

The 2490 can do sRGB with higher accuracy, but are limited to standard gamut. The 2690 can do both, but you sacrifice some color accuracy in standard gamut compared to the 2490, while gain an option for larger gamut and unlike most wide gamut displays on the market, you can hardware calibrate it with 12-bit precision.

I need larger gamut for work and also feel my games benifit from it (they look far more sexy with wide gamut), so thats my flavor. With the upcoming color aware browsers (like Firefox 3.0 link ) and more color aware applications will follow, I see no reason to limit myself personally. :)
 
davewolfs said:
Games that benefit from high gamut? I would think that all games are designed for sRGB.
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I would assume they are, at least those made for PC. :)

Wheter or not they look good in wide gamut, is a matter of personal taste and subjective opinion.

As you probably know since you work with color, the differences between sRGB and aRGB are largest in the area of blue->cyan and cyan -> green. Unlike just oversaturating the game (the screens have a 6-axis saturation option for that), where you get a distinct crush in the colors and smearing, the wide gamut upholds the gradient stepping. As ToastyX described, green looks more green and less lime in wide gamut.

Personally, I find this flattering for the games and they sure looks more sexy that way. :D

To quote X-bit labs Oleg Artamonog:

Anyway, I guess that many users, and myself among them, will prefer monitors with incorrect but pure colors, i.e. the 275T, to monitors with incorrect and muddy colors, i.e. older sRGB models.
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http://www.xbitlabs.com/articles/other/print/xxl-monitors.html

For me, this is true. Color accuracy is something I need for work, besides that, its only a matter of what looks good regardless of whats accurate or not. Using wide gamut on sRGB material is flattering in many cases, though they are not "correct" or "like author intended". I have several presets for different games that I use and I never go with the "default" in games either. As many others, I adjust the games after my personal taste regardless of whats default and "correct". :)
 
I'd like to know why NEC don't sell the 2490 in Europe damm it !

the more i read this forum and more i realize that the 2490 is maybe the best 24 LCD around, I don't want to buy the 2690 with all that problems ecc ecc
The eizo 24 HD2441 seems to be not as good as the NEC 2490, so why is it impossible to have this good monitor in Europe, is here someone that work for NEC ???

Thanx
 
yip yip! just placed an order for mine through provantage....hell of a deal there.

now i just have to order a video card and return to the states after being in S/SEasia for a year!

I know this monitor has a lot of critics, however considering I'm a professional photographer who shoots in aRGB with a year's worth of photos to post process...I think I'll get my money's worth. :)

i read a review somewhere that said DVI-D looked bad and that DVI-I was better (I don't really understand why that'd be the case). I'll have to look into that....any feedback from you lovely folk on that one?

Also, anyone know where I can get a hood for this monitor, or does the spectraview model include it? I can't find any info on that anywhere.
 
Hey guys, I hope you don't mind me going a little off topic but I see lots of people here know much about NEC panels. Would anyone happen to know if there are NEC specific Forums out there? Also any chance of finding out the latest revisions for each model? And last but not least is there any news of a 64bit NaviSet in the works?
Thanks much and I hope you are all enjoying your NEC displays are much as I am:)

Edit- Also I cannot seem to be able to find the monitor driver. The links on nec's website do not work and there's nothing on windows update(I had an nec before also and the driver was available through windows update)
Thanks
 
DrNick said:
Hey guys, I hope you don't mind me going a little off topic but I see lots of people here know much about NEC panels. Would anyone happen to know if there are NEC specific Forums out there? Also any chance of finding out the latest revisions for each model? And last but not least is there any news of a 64bit NaviSet in the works?
Thanks much and I hope you are all enjoying your NEC displays are much as I am:)

Edit- Also I cannot seem to be able to find the monitor driver. The links on nec's website do not work and there's nothing on windows update(I had an nec before also and the driver was available through windows update)
Thanks
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Call the 1-800 number on your warranty card,anytime 24/7 and one of the csr reps will send you all you need.

I love my 24" Nec :)
 
Does anyone out there happen to have the hood for this monitor? I contacted NEC and they said it's still not available (should be available in Dec) but it comes with all spectraview 2690's in Europe. If so, I would absolutely love it if you could post a picture or dimensions of the hood, so that I could try and make one myself. $150+ for the hood seems to be quite a bit too much for me to pay if I can make one on my own.

alternatively, anyone have a link to or lead on this information anywhere?

thanks.
 
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