Hmm. i have no extension on mine, and its running to a dedicated usb card. but really interesting that this resolved it for you.
I think the distance required is a bit of an issue given that your eyes need to be quite close to the fresnel lens in order to get a good wide fov image
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Thatâs the problem. Open the support ticket.
Pimax doesnât know about this problem yet.
I just spent 2 hrs with the tech from Droolon remoted into my pc to troubleshoot.
We had to adjust the port that the runtime.exe uses to get a connection, but then it looks like Iâve got the same problem mentioned just above. The pupil is not being recognised by the software and cannot calibrate. Looks like the cameras arenât set up for western face shapes?
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holds head. so we need to individually contact support and have them remote in to get eye tracking working or are they going to rewrite software to check more than one port
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I was going to attach it this week. Think I will wait for you poor guys to make progress, not got the time to be an alpha tester right now 
Thanks for taking one for the team.
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I tried it yesterday with another pc and at least the LEDâs got on and a green feed was displayed while testing the eye tracker with Skype. On my VR pc skype is not even listing the camera so I have to dig deeper in the hardware recognition there. Btw. I was suprised how bright the ledâs are, I will open another thread regarding eye safety.
Normal camera:
IR camera:
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some info there about the brightness of the LEDs (They are testing next version which will be 1/3 the brightness)
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if you have trouble with the server not connecting, try changing the port of the server.
Edit the config.xml file in the runtime folder. Change the 2001 to something else (20001) and save
Also, change the setting for the forward program: in the forward folder, edit the network.ini file and change the server port to the same number you entered in the other file.
After trying a calibration, you can see the test images in the following folder. you will need to stop the runtime service in the system tray or the pictures will update about every 30 seconds. You can put your finger near the lens and it should show up in the pictures in that folder.
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The eyes are spherical and have the same parts in all countries.
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from what I saw yet, seems the need to put eyes a bit further is the most serious issue, maybe solvable with firmware/software updates but may be not.
Other than that seems reflections & IR brightness also another points but not for all, also IR brightness as mentioned above should be decreased.
Hope they will figure how to fix the point 1. Once done this ET thing has potential. Just trying to anticipate how it will look on ultra settings on 8KX with cranked up SS & DFR on 75Hz
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Wait⌠No thin foams???
I experienced severe distortion with my 8K Plus due to the thin foam but no thin foams???
It feels great lol
I was planning to buy a 3080 and supplement it with the eye trackers but now considering to buy 3080ti then sell my unopened eye trackers 
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I didnât have any trouble. I was going to wait for the 8kx but finally I installed it in my 5kx without pasting the inner metalic parts.
I cut the plastic with a cuter, then installed everything and started my pc. Pitool asked me to install the driver for the eyetracking and I did it. After that I calibrated from the device manager looking at some circles and done.
It works although I think they should improve the accuracy. You can look at some circles and more or less is ok but I think it could improve.
Later I tried DCS and it works. There is a little lag and the infrared camaras get some hot. Conservative was the best for me. Otherwise the pixels are too obvious if you look too right or left.
EDIT: if you have a wide ipd I think that the wires that go to the lenses are a bit short. It could be a problem there. I also cut it a little more of plastic so the wires have more space to bend.
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I just tried a different USB port and got much better pictures, calibration still not proceeding past the green dots.
Great to hear it works in DCS!
Might be the best move , I just had everything working with a 5k+ but the one thing that struck me was that the ET has to be so far away from the eyes that your practically limited to the small fov which sort of defeats the reason for using them in the pimax , I required double face cushion before it would register my pupils moving , maybe they can fine tune the software better if not ,I cannot see the point of them
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The obvious question which I havenât seen anyone ask is, why would visible light be so bright when on infrared which is invisible to the human eye?
obvious answer is that infra red & red are close so seems it partially overlaps with visible sepectar (itâs not too much but in dark black box, especially in dark scenes where display doesnât procude a lot light seems those red light can be visibl). According to other users 7investments plans to decrease brightnes to 1/3 of current.
I have no ET so canât say how much it distracts, I saw reports that some persons werenât bothered while others marked it as slightly bothering.
The biggest issue IMO right now is that you need to have thicker foam to get it working which = less FOV, distortion problem for some users, worse convergence as as further your eyes from screen as difficulty to get a good 3D picture.
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I was under the impression that the eye tracker was a finished, commercial product, so I bought it. Instead it seems I am part of an early alpha testing group? How is this possible? Should I send back the eye tracker and try again in when Droolon 2 is available?
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actually itâs somehow finished, they just messed with recent Pitool/firmware updates & perviously it was working ok.
but it has flaws, bigger distance between eyes & ET requires to get it working correctly. Regardign DFR & some other stuff users already reported it works more or less ok, they whished the small lag can be cancelled. It worked with HL:A & DCS.
So itâs just like a finished Pimax 5k+ but you just got it & new firmware broke it completely until the next update. Common situration in modern development.
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