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VIVITEK QUMI LED 1280x800 - Page 59

post #1741 of 2167
Quote:
Originally Posted by PoisonWolf View Post

When it comes to projectors....I'm not sure if it's a good idea to use them in portrait for prolonged periods of time. At the very least, I hope the lens side is the lower side?

Well, i would say it's not the same with LED pj's based on sheer magnitude reduction in heat - but does anyone else think extended use of portrait mode in a LED projector will cause problems? I do have the lens on the top (above the lamp section of the projector)in the way I mount it, but think the there would be no effect anyway since there is a vent on that "top" side, which is pretty cool, now that I think of it
post #1742 of 2167
Quote:
Originally Posted by Joey_is_here2003 View Post

Wow, I understand now. I guess I'm not typical of a lot of users in this forum. I use my Qumi for maybe 15 hours a week. And more than half of that is dedicated for Sunday NFL football. I guess if I were using it as much as you and some of the other users, I'd be using the eco mode quite often as well. And you're right, I don't expect to get near 30,000 hours of use, especially with the way I am using it. But I believe that in a couple of years I will start to grave an upgrade to the next "in thing" in projectors. For now, I'm more than happily satisfied with the Qumi.

I am really satisfied now too - with my good focussing unit - and yes, even though I will also probably get the latest/greatest when it occurs (native, 1080, 500 lumen, 60,000 hr bulb life, 400$ would be my threshold), who can ask for more? I dig you use for TV.. but man, Mac OSX really looks good on it!
post #1743 of 2167
I guess, Qumi has the best picture quality in the newest generation and it is really working well like a monitor, and low power consumption, and really small and light weight.

But, if anyone is looking for a real home entertainment system, Acer K330 is a good choice too. In the future, finally I will abandon Qumi, because she has no advantages in the same price range in EU.
post #1744 of 2167
Quote:
Originally Posted by tataniko View Post

Any 120hz capable graphics card can do it, 720p@120hz means 3D Ready, but I guess this was a marketing trick from Vivitek, because 720p@120hz is absolutly unwatch-able and blurred.

"I guess, Qumi has the best picture quality in the newest generation and it is really working well like a monitor"
____________________________________________________________ ___

You go from saying it's absolutely unwatchible in one post, to you think it's the best?

I still think your issue is your source, cable or GPU.
I've yet to see anyone else make the claim that it is unwatchable when at 720P 120Hz.
post #1745 of 2167
Quote:
Originally Posted by 3DNewb View Post

You go from saying it's absolutely unwatchible in one post, to you think it's the best?

Yes, Qumi is one of the best Led projector for text and web surfing, like a monitor, compared Acer K330.
Projectors, like Acer K330 and the other three clones have not even any picture at 720p@120hz. Nothing.
I am very curious, which projector can support 720p@120hz, the clones doesn't.
post #1746 of 2167
Well if you look at the product page on various regional sites of Viewsonic, they seem to imply that the PLED-W500 is HDMI 1.4. But I'd have to agree with HenryDudley and say that the marketing department is either being purposely misleading or they are completely clueless to the actual specs of the PLED-W500.

Australia http://www.viewsonic.com.au/products...ecs.php?id=526

South Africa http://ap.viewsonic.com/za/products/...ecs.php?id=474

If you look at the downloadable PDFs, they also list HDMI 1.4

Misleading/fraudulent marketing shenanigans?

So far, I'd agree, only the Qumi does 3D at 720P 120Hz. I'd have to add that not once, while 3D gaming or watching movies, did I find it unwatchable. The only thing detracting from the 3D experience was lack of Lumens. I was projecting on a flat white wall @85 inches, had I been using a high gain screen, it would have most certainly been better.
post #1747 of 2167
Viewsonic recently has updated the product page and pdf spec sheets to reflect that the PLED-W500 supports HDMI 1.3

Question now is if it will do 3D at 720P 120Hz, if not, the Qumi still reigns in that department in regards to the DMD .45 projectors.
post #1748 of 2167
Thanks the infos 3DNewb. I am very disappointed, because the four clones have enough lumens, but not really 3d capable, and Qumi is to weak to 3D.

I am looking for a good projector with 500 lumens, LED based, HD pico chip set, portable, 3D capable, and built in laud speaker and good media player.
Is this exist?

Perhaps next Korean waves, like LG will make it? Does anybody knows something? Thanks.
post #1749 of 2167
Although it still needs official "end user" confirmation, a Viewsonic tech rep that I just got off the phone with, told me that the PLED-W500 is indeed capable of 1280x720P@120Hz over HDMI. Making it compatible with the Viewsonic VP3D1 and possibly the Optoma 3D-XL 3D converters.

Due to the increased lumens from using the PT-54 LED chipset compared to the PT-39 used in the Qumi, the PLED-W500 may be the better choice for 3D gaming and movies out of the current DMD .45 chip PJs.
post #1750 of 2167
Well, I did a DIY ceiling mount for this projector and it was a pain in the @ss!! omg it is so difficult to get it right, but I don´t want to use a tripod anymore, any suggestions? thanks
post #1751 of 2167
A lot of people used the ceiling mounts for security cameras. If you planned to upgrade to a larger projector later, you might want to get a full fledged ceiling projector mount and adapt it as necessary. If you had something to clamp it to, you could use a mount like they use for spotting scopes that clamp onto car windows. Thens there's also the sticky dash mounts for digital cameras that you could adapt. Lots of options............ just make sure the intakes and exhausts have room to breath.
post #1752 of 2167
Quote:
Originally Posted by 3DNewb View Post

A lot of people used the ceiling mounts for security cameras. If you planned to upgrade to a larger projector later, you might want to get a full fledged ceiling projector mount and adapt it as necessary. If you had something to clamp it to, you could use a mount like they use for spotting scopes that clamp onto car windows. Thens there's also the sticky dash mounts for digital cameras that you could adapt. Lots of options............ just make sure the intakes and exhausts have room to breath.

thanks for your comments man, one of my main problem that I forgot to mention which is why I havent bought a camera ceiling mount it's because of the total height of the mount, it has to be at least 63 centimeters long, that´s because of the way my home is build and because of the screen's position.
post #1753 of 2167
Quote:
Originally Posted by madrid64 View Post


thanks for your comments man, one of my main problem that I forgot to mention which is why I havent bought a camera ceiling mount it's because of the total height of the mount, it has to be at least 63 centimeters long, that´s because of the way my home is build and because of the screen's position.

Doesn't help you but I used an extra wall mount for surround sound speaker that I had. It gets the job done, but I hope I have no problems with the Qumi itself, because the mount rubbed the serial number to where it is unreadable. I don't remember if the s/n is printed on the box or in the documentation, I have to check!
post #1754 of 2167
Quote:
Originally Posted by Stoney Jackson View Post

Doesn't help you but I used an extra wall mount for surround sound speaker that I had. It gets the job done, but I hope I have no problems with the Qumi itself, because the mount rubbed the serial number to where it is unreadable. I don't remember if the s/n is printed on the box or in the documentation, I have to check!

Now that you mention that part, I had a different problem when i installed it in the DIY ceiling mount, after doing everything and fired up the quimi and seeingg that the image wasn´t centered, etc... i put it again on the tripod and notice some sort of redish sort of vertical line on the left side of the screen, I thought that the beamer because it was in contact directly to the metal of the ceiling mount produced the problem, I turned the qumi off and unhooked everthing and waited for a few hours, restarted all and it was all fine, now I'm not sure if I want to try again with my sucky ceiling mount lol.
post #1755 of 2167
Is it possible to use the Optoma 3D-XL or VIP 3D gamer devices to get 3D from the Qumi via HDMI? If so is there any settings on the Qumi that need to be set?

thanks
post #1756 of 2167
I got my Qumi now, and I'm very satisfied with the 1080p/24 Hz performance at 80", I just would like to know if somebody has tested the media player's "picture viewer" feature using a USB stick as source:

When opening a folder, thumbnailing of the images starts, but Qumi will return to media player main menu after about 3 to 5 seconds. The only thing to avoid this seems to be to press the "up" key fast and select the "slide show" button within 3 to 5 seconds.
post #1757 of 2167
When I had my Qumi, I never tried 3D via the HDMI input because the cords were too short and just when I was ready to order a cable I saw a posting on the Vivitek facebook stating no 3D via HDMI.

I did see a poster say he had to hook up his 3D-XL via the VGA connection using a HDFury 2 HDMI to VGA adapter.

I also see a review on Amazon where a user (NicksterS) specifically states he bought the 3D-XL to use with his Qumi and said it worked great but did not mention having to use any adapters. If that is the case, it may be possible that subsequent Qumis that were released added HDMI support or there was a firmware update to the 3d-XL that added compatibility to the Qumi. Because I'm pretty sure the 2 previous thread posters using a HD Fury 2 could not get it to work via HDMI at that time.

If you get one and it works, please post your results!
post #1758 of 2167
; INF file generated by Monitor Asset Manager (2.60.0.964), 2011.09.24.
; Copyright (c) EnTech Taiwan, 1995-2011.
; Internet: http://www.entechtaiwan.com

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post #1759 of 2167
; INF file generated by Monitor Asset Manager (2.60.0.964), 2011.09.24.
; Copyright (c) EnTech Taiwan, 1995-2011.
; Internet: http://www.entechtaiwan.com

[Version]
Signature="$WINDOWS NT$"
Class=Monitor
ClassGUID={4d36e96e-e325-11ce-bfc1-08002be10318}
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post #1760 of 2167
Hello,

I am posting here in an effort to try and find a broken or mal-functioning Q2.

I am working with a group of 4 students on a design project that will use 3 lasers rather than the current LED technology. The device will function similar to the showwx but also use the existing DLP technology in the projectors. Our project goal is a brightness close to 1000 lumens in a small portable form.

We are also working with the light engine from an Optoma PK301 that had a defective green LED.

Please send a PM.
post #1761 of 2167
If its only for a proof of concept i would look for an Optoma PT/GT 100 or brightboxe. But using existing hardware will be difficult; you are bound to the refresh rate of the simulated colorwheel in the projector (120 or 180Hz for 2x/3x 'colorwheel' speed). Plus if you can steer a laser to an exact coordinate you wouldn't need a dlp chip except for brightness controll that can be achieved equally well or better by modulating the lasers..
post #1762 of 2167
Quote:
Originally Posted by rapsac View Post

If its only for a proof of concept i would look for an Optoma PT/GT 100 or brightboxe. But using existing hardware will be difficult; you are bound to the refresh rate of the simulated colorwheel in the projector (120 or 180Hz for 2x/3x 'colorwheel' speed). Plus if you can steer a laser to an exact coordinate you wouldn't need a dlp chip except for brightness controll that can be achieved equally well or better by modulating the lasers..

Steering the lasers is already how the showwx functions. We are not allowed to copy existing technology and the scanning controls are well out of our capabilities to duplicate. We are simply looking to use lasers as the rgb light source. Using pwm is easy to simulate the color wheel. There are many benefits to using a laser over LED. Heat and color shift are just a small example. The QUMI also will allow us to expiriment with 3d.
post #1763 of 2167
mits has the laservue and casio is doing the laser/led.both are dlp.
post #1764 of 2167
Well after having my Qumi for a couple of months now, I must say I am still as impressed with it. Especially using it with Blu Ray discs. The colors are so rich. Using it with my HD DVR box from Cablevision it is not AS nice, but I find myself using this thing more and more each week. Especially now since it's getting dark out earlier!
post #1765 of 2167
Quote:
Originally Posted by Stoney Jackson View Post

Well after having my Qumi for a couple of months now, I must say I am still as impressed with it. Especially using it with Blu Ray discs. The colors are so rich. Using it with my HD DVR box from Cablevision it is not AS nice, but I find myself using this thing more and more each week. Especially now since it's getting dark out earlier!

I've been playing a lot of games on mine recently (mostly Forza Motorsports 4 since it came out) and other than the 5-10 minute focus issue, it's been amazing. I also use it to watch Live TV streamed using a Sling Adapter from Dish Networks and while it's not perfect, nothing beats watching live Formula 1 on an 80+ inch screen For $500 I didn't expect perfection but I'm extremely happy with the Qumi overall.
post #1766 of 2167
i'm at 400 hours now (wow! that doesn't seem like much, given its rating, but I use it 70 hours a week and i still think about getting a "back up" lol, cause i love my monitor being 4ft/1080x1920 so much) and I am very, very pleased with the QUMI. I don't need any more resolution (given that the diamond pixels scale so well), to be honest.

It rocks!

But to the people considering using lasers as a light source, may I ask why? I mean, you are shooting light at the DMD, right? Don't you need a light source as wide as the chip? How do you optically enlarge the size of the beam without introducing blur? Is it even a problem?

Just curious.
post #1767 of 2167
Quote:
Originally Posted by circlecycle View Post

I am very, very pleased with the QUMI.

You're right. My experience is same, Qumi like a monitor. I sold my unit, because wanted more lumens and I bought a portable one, but in pocket category, it is rock.
post #1768 of 2167
Hi

I was wondering if when you attach a DVD player via the AV (RGB) cables or a laptop - Macbook Pro via the VGA cable does the Qumi keep a 16:9 display or change 4:3 into a 16:9 display?

I recently tried the Aaxa P4 Pico Projector and if I used the onboard media player I could watch movies in a 16:9 format. If however I tried to use a DVD player or my Macbook I would only receive a 4:3 display and lose much of the projected screen.

So my question is can the Qumi force a 16:9 display when using different hardware attached to the Qumi - Laptop, PS3, DVD player.

Thanks
post #1769 of 2167
Forgive me for being a bit lazy and not reading through the whole thread, but I just got a Qumi to play with and I've got a few questions (and hopefully some contributions).

Quote:
Originally Posted by 3DNewb View Post

When I had my Qumi, I never tried 3D via the HDMI input because the cords were too short and just when I was ready to order a cable I saw a posting on the Vivitek facebook stating no 3D via HDMI.

I did see a poster say he had to hook up his 3D-XL via the VGA connection using a HDFury 2 HDMI to VGA adapter.

I also see a review on Amazon where a user (NicksterS) specifically states he bought the 3D-XL to use with his Qumi and said it worked great but did not mention having to use any adapters. If that is the case, it may be possible that subsequent Qumis that were released added HDMI support or there was a firmware update to the 3d-XL that added compatibility to the Qumi. Because I'm pretty sure the 2 previous thread posters using a HD Fury 2 could not get it to work via HDMI at that time.

If you get one and it works, please post your results!

I got 3D to work over HDMI, I had to define a custom resolution, I'm using nVidia GPUs and had to select the "CVT reduced blank" option from the timing section of the custom resolution dialog. Before doing that I was getting the Signal Out of Range error.

Well maybe I should rephrase, I got 720p120 to work over HDMI. All I've tried 3D wise so far is Stereoscopic player and with it set to Software Pageflipping the 3D works pretty well with the Xpand 102 DLP Link glasses but there does seem to be some sync issues with that.

So I guess I was selfishly wondering if anyone would be so nice as to post a summary of the state of using 3D with the Qumi, guess I'm curious about BD playback like Totalmedia Theater, and maybe "standalone" sources like my Xbox 360.
post #1770 of 2167
I bought the Qumi from Amazon yesterday and paid for one-day shipping to get it here this morning. Overall I'm happy with it but might need to upgrade to the Acer K330, the Qumi seems a bit dark on my 100" matte screen. If I go down to 75" or so I'm much happier with the output. Do you think the extra 200 lumens on the Acer or one of the other clones will be enough?

Also has anybody had experience with returns to Amazon.com? Or exchanging for another product?

Thank you
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