Official JVC - 20LTD - RS640 (x990/x9900) - RS540 (X790/x7900) - Owners Thread - Page 226 - AVS Forum | Home Theater Discussions And Reviews
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post #6751 of 11904 Old 06-25-2018, 02:30 PM
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Originally Posted by WilliamG View Post
Yep, and I've got no idea how to do it because it seems that so many of the guides are either out of date, not applicable depending on what color space you're using etc etc.

So I haven't done it yet. Be nice if there were a June, 2018 guide.
The 2017 and 2018 models come with BT.2020 colour profile and ST.2084 EOTF built-in, but there’s no difference in how to load custom curves, compared with the 2016 models. Just read Javs’ guide, which is a single page long.
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post #6752 of 11904 Old 06-25-2018, 02:37 PM
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Originally Posted by Dominic Chan View Post
The 2017 and 2018 models come with BT.2020 colour profile and ST.2084 EOTF built-in, but there’s no difference in how to load custom curves, compared with the 2016 models. Just read Javs’ guide, which is a single page long.
Is it this post?

https://www.avsforum.com/forum/24-di...l#post55203652

Also, what about the Autocal stuff? I bought a Spyder5 for some reason...
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post #6753 of 11904 Old 06-25-2018, 02:38 PM
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Originally Posted by WilliamG View Post
Yep, and I've got no idea how to do it because it seems that so many of the guides are either out of date, not applicable depending on what color space you're using etc etc.

So I haven't done it yet. Be nice if there were a June, 2018 guide.
This what worked for me:

1) In Javs signature there is a link to the Arve Tool instructions that he has written up which are very good- Download these instructions

2) Download the Arve Tool from this link - https://github.com/arvehj/jvcprojectortools

3) Download Python from this link - https://www.python.org/downloads/

4) Download Javs V3 curves from his signature- Use the 1200nitv3 and the 4000nitv3

5) Install Python - once installed you will not need to do anything else with this program

6) Now that you have Python installed you can go back to the Arve Tool folder that you downloaded (it will be a folder called jvcprojectortools-master) and the program will be in that folder - menu.py

7) Copy Javs V3 curves into the same folder that menu.py is located

8) Now you need to hook up your projector to your computer. What I did that worked for me was to hook up the projector to the same router that my computer is hard wired to. I had to reboot my modem one time in order for the Arve tool to find the projector

9) Set you picture mode to one of the user modes (i.e. User1)

10) Set you Gamma to (Custom 1) and your Correction Value to (Import)

11) Open menu.py on the PC

12) Type - lf 1200nitv3 [hit enter] this loads the file

13) Then type Pw [hit enter] this writes the file to the projector

14) It should ask you for your projectors IP address - This can be found under the network setting on your Projector (i.e. 192.168.0.2) [hit enter]

15) Now you can do the exact same thing to load the 4000nitv3 file into (Custom 2) starting at step 12

16) Set the black level - I have not done this yet as I do not have a way to play the .mp4 files until I get a 4k Bluray player

Once the gamma files are loaded into the Custom slots they can be used for any of the Picture settings. So when your projector auto switches to HDR if you have the gamma setting set as Custom 1 and your Correction Value to Import it will always default to that.

I did find Javes curves a bit on the dull/darker side for my setup so I tweaked the reference white value a little and they are working great now. I am not sure if that is the perfect way to do it but it seems great to my eye so I am sure I am 90-95% of the way there. If you run into this issue just let me know and I can walk you through what I did.

Hopefully with this and Javs PDF instructions you should be on your way.
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post #6754 of 11904 Old 06-25-2018, 02:39 PM
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Originally Posted by coxy2416 View Post
This what worked for me:

1) In Javs signature there is a link to the Arve Tool instructions that he has written up which are very good- Download these instructions

2) Download the Arve Tool from this link - https://github.com/arvehj/jvcprojectortools

3) Download Python from this link - https://www.python.org/downloads/

4) Download Javs V3 curves from his signature- Use the 1200nitv3 and the 4000nitv3

5) Install Python - once installed you will not need to do anything else with this program

6) Now that you have Python installed you can go back to the Arve Tool folder that you downloaded (it will be a folder called jvcprojectortools-master) and the program will be in that folder - menu.py

7) Copy Javs V3 curves into the same folder that menu.py is located

8) Now you need to hook up your projector to your computer. What I did that worked for me was to hook up the projector to the same router that my computer is hard wired to. I had to reboot my modem one time in order for the Arve tool to find the projector

9) Set you picture mode to one of the user modes (i.e. User1)

10) Set you Gamma to (Custom 1) and your Correction Value to (Import)

11) Open menu.py on the PC

12) Type - lf 1200nitv3 [hit enter] this loads the file

13) Then type Pw [hit enter] this writes the file to the projector

14) It should ask you for your projectors IP address - This can be found under the network setting on your Projector (i.e. 192.168.0.2) [hit enter]

15) Now you can do the exact same thing to load the 4000nitv3 file into (Custom 2) starting at step 12

16) Set the black level - I have not done this yet as I do not have a way to play the .mp4 files until I get a 4k Bluray player

Once the gamma files are loaded into the Custom slots they can be used for any of the Picture settings. So when your projector auto switches to HDR if you have the gamma setting set as Custom 1 and your Correction Value to Import it will always default to that.

I did find Javes curves a bit on the dull/darker side for my setup so I tweaked the reference white value a little and they are working great now. I am not sure if that is the perfect way to do it but it seems great to my eye so I am sure I am 90-95% of the way there. If you run into this issue just let me know and I can walk you through what I did.

Hopefully with this and Javs PDF instructions you should be on your way.
Thank you for the reply! Setting the black level? What does that mean exactly in this particular case?

And what about my Spyder5? Am I doing something with that? Thanks!
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post #6755 of 11904 Old 06-25-2018, 02:45 PM
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Originally Posted by WilliamG View Post
Thank you for the reply! Setting the black level? What does that mean exactly in this particular case?

And what about my Spyder5? Am I doing something with that? Thanks!
Spyder5 is for the JVC AutoCal, not Arve's tool.

black level in Arve's seems to be equivalent to resetting the Brightness value to zero at the level required to properly calibrate the black level using a test pattern. I had to turn brightness way up to display the test pattern correctly, but it is now recentered at zero now that I found the correct BBO value in the tool.
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post #6756 of 11904 Old 06-25-2018, 02:49 PM
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Originally Posted by WilliamG View Post
Thank you for the reply! Setting the black level? What does that mean exactly in this particular case?

And what about my Spyder5? Am I doing something with that? Thanks!
Read my pdf yo!
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post #6757 of 11904 Old 06-25-2018, 03:08 PM
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Originally Posted by ScottAvery View Post
Spyder5 is for the JVC AutoCal, not Arve's tool.

black level in Arve's seems to be equivalent to resetting the Brightness value to zero at the level required to properly calibrate the black level using a test pattern. I had to turn brightness way up to display the test pattern correctly, but it is now recentered at zero now that I found the correct BBO value in the tool.
Well, you pretty much lost me there. So is AutoCal not needed when using Javs' curves? I'm floundering a bit here.

Quote:
Originally Posted by Javs View Post
Read my pdf yo!
I see. So I need to buy that Test Pattern Suite, then? Oy... another thing to buy.

Do I not need the one with HDR10 support?

http://diversifiedvideosolutions.com/dvs_products.html

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post #6758 of 11904 Old 06-25-2018, 03:17 PM
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Originally Posted by WilliamG View Post
Well, you pretty much lost me there. So is AutoCal not needed when using Javs' curves? I'm floundering a bit here.



I see. So I need to buy that Test Pattern Suite, then? Oy... another thing to buy.
You can use any sony disc to access hidden calibration patterns. It's also in the pdf.
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post #6759 of 11904 Old 06-25-2018, 03:19 PM
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Originally Posted by Javs View Post
You can use any sony disc to access hidden calibration patterns. It's also in the pdf.
Not sure I have any Sony UHDs. I can buy the suite - but not sure which one to buy - if I need the HDR10 version it's $40. That one?

Also, I really don't understand curves at all - so I'm trying to figure out what my Spyder5 is for - do I Autocal as well as do your gamma curves?
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post #6760 of 11904 Old 06-25-2018, 03:29 PM
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Originally Posted by WilliamG View Post
Not sure I have any Sony UHDs. I can buy the suite - but not sure which one to buy - if I need the HDR10 version it's $40. That one?

Also, I really don't understand curves at all - so I'm trying to figure out what my Spyder5 is for - do I Autocal as well as do your gamma curves?
Autocal has nothing to do with the curves. It should be done every 400 hours or so to correct things like gamma droop. The curves are based on the baseline gamma in the PJ so they should be accurate and calibrated ideally.

Yeah that's the right suite, make sure it's the downloadable version.

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post #6761 of 11904 Old 06-25-2018, 03:31 PM
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Originally Posted by Javs View Post
Autocal has nothing to do with the curves. It should be done every 400 hours or so to correct things like gamma droop. The curves are based on the baseline gamma in the PJ so they should be accurate and calibrated ideally.

Yeah that's the right suite, make sure it's the downloadable version.
OK so to confirm:

1.) I need to use your curves AND AutoCal as well?

2.) Downloadable version of the $40 suite version? Your PDF says it's $25, but that one doesn't have HDR! So is the PDF incorrect?
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post #6762 of 11904 Old 06-25-2018, 03:42 PM
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Originally Posted by WilliamG View Post
OK so to confirm:

1.) I need to use your curves AND AutoCal as well?
Autocal corrects the base gamma but is totally independent of the custom curves.

You can do them in any order you like. You can load the custom curves first, which should make a big improvement right off the spot, and then run autocal at your leisure, to make the curves more accurate.
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post #6763 of 11904 Old 06-25-2018, 04:35 PM
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Originally Posted by WilliamG View Post
OK so to confirm:

1.) I need to use your curves AND AutoCal as well?

2.) Downloadable version of the $40 suite version? Your PDF says it's $25, but that one doesn't have HDR! So is the PDF incorrect?
1. Ideally. But not required.

2. No, my PDF is correct.

You need this one.



https://transactions.sendowl.com/pro...22255/purchase

The $40 one seems new and includes HLG. Kinda useless IMO.

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post #6764 of 11904 Old 06-25-2018, 04:40 PM
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Originally Posted by Javs View Post
1. Ideally. But not required.

2. No, my PDF is correct.

You need this one.



https://transactions.sendowl.com/pro...22255/purchase

The $40 one seems new and includes HLG. Kinda useless IMO.
I finally see it. Had to scroll down the page. Their website is super confusing. Just bought it.

Last edited by WilliamG; 06-25-2018 at 04:49 PM.
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post #6765 of 11904 Old 06-25-2018, 04:49 PM
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I finally see it. Had to scroll down the page. Their website is super confusing.
You gotta scroll down man..

https://diversifiedvideosolutions.com/dvs_products.html


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post #6766 of 11904 Old 06-25-2018, 04:51 PM
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Haha yeah I got there in the end.

OK, now the misery of Curves and Autocal at some point this week.

For AutoCal, where do you place the calibrator? Facing the screen? How close etc?
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post #6767 of 11904 Old 06-25-2018, 04:51 PM
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Their website is super confusing.
Agree, there should be a buy button on the actual product desciption pages for the relevant suites.

Even I got thrown for a six when I checked again today and spotted new HLG modes, for some reason the first listed product is the most useless one, HLG only and $25... I wonder how many people will buy that by accident.
@mascior please update your page with the above feedback buddy!

Cheers.

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post #6768 of 11904 Old 06-25-2018, 04:53 PM
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Originally Posted by Javs View Post
Agree, there should be a buy button on the actual product desciption pages for the relevant suites.

Even I got thrown for a six when I checked again today and spotted new HLG modes, for some reason the first listed product is the most useless one, HLG only and $25... I wonder how many people will buy that by accident.
@mascior please update your page with the above feedback buddy!

Cheers.
I very nearly bought the wrong one myself. But finally bought the right one. It's actually 8.27GB according to my Mac. So go figure... You can download it 5 times, but once should be enough for me since it'll go on my RAID backup.
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post #6769 of 11904 Old 06-25-2018, 04:54 PM
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Haha yeah I got there in the end.

OK, now the misery of Curves and Autocal at some point this week.

For AutoCal, where do you place the calibrator? Facing the screen? How close etc?
Sigh...

Facing the screen.

dude, just download the autocal software and follow the included JVC PDF instructions it literally walks you through it. At least try that before asking questions that are covered in documentation. You are very fast to ask, and don't seem to take a minute to do a little reading...

There is also a thread here which answers every question imaginable regarding Autocal.

https://www.avsforum.com/forum/24-di...500-rs600.html

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post #6770 of 11904 Old 06-25-2018, 04:54 PM
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I very nearly bought the wrong one myself. But finally bought the right one. It's actually 8.27GB according to my Mac. So go figure... You can download it 5 times, but once should be enough for me since it'll go on my RAID backup.
Because macs are stupid and count 1GB as 1000mb which is freaking wrong and stupid and dumb
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post #6771 of 11904 Old 06-25-2018, 04:59 PM
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Because macs are stupid and count 1GB as 1000mb which is freaking wrong and stupid and dumb
That's a whole other argument. For end users, it's actually a lot easier to round the numbers out.
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post #6772 of 11904 Old 06-25-2018, 05:02 PM
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Sigh...

Facing the screen.

dude, just download the autocal software and follow the included JVC PDF instructions it literally walks you through it. At least try that before asking questions that are covered in documentation. You are very fast to ask, and don't seem to take a minute to do a little reading...

There is also a thread here which answers every question imaginable regarding Autocal.

https://www.avsforum.com/forum/24-di...500-rs600.html
I'm very fast to ask because honestly - have you looked at that thread recently? Do you REALLY think that's a noob-friendly thread? REALLY?

And at a glance I don't see anything too specific about placement. It's actually VERY vague about where to place the meter, and what settings to use and WHY.

Honestly, these guides are still - to my mind - written in a preaching-to-the-choir kind-of way. For those of us wholly unfamiliar about projector calibrations, it's very, very daunting.
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post #6773 of 11904 Old 06-25-2018, 05:05 PM
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Sigh...

Facing the screen.
Facing the screen? Funny... the instructions from JVC say facing the projector.

Sigh indeed!


"Install the optical sensor. Adjust the position of the sensor such that it is within the range indicated in orange on the software as show in the figure on the right.
If you are using Spyder, install the sensor between the projector and the screen with its light receiver facing the projector."

http://www3.jvckenwood.com/english/d...0_en_v1_10.pdf

Page 8.

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post #6774 of 11904 Old 06-25-2018, 05:11 PM
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Facing the screen? Funny... the instructions from JVC say facing the projector.

Sigh indeed!


"Install the optical sensor. Adjust the position of the sensor such that it is within the range indicated in orange on the software as show in the figure on the right.
If you are using Spyder, install the sensor between the projector and the screen with its light receiver facing the projector."

http://www3.jvckenwood.com/english/d...0_en_v1_10.pdf

Page 8.
Looks like reading paid off for you

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post #6775 of 11904 Old 06-25-2018, 05:14 PM
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Looks like reading paid off for you
Yeah but that's just from JVC's instructions I just happened across - and nothing really to do with that thread.

And I guess that's the issue. There are SO many different variations of how to/what to - when it comes to calibration. Be nice if for the money we're spending they just worked well out of the box. Certainly I've never had to futz with a display device as much as I need to with these JVCs. Yeah yeah, I know - these things need X number of hours before calibrating. OK, so just run them that many hours from the factory and then calibrate them, ship them, and charge a couple of hundred extra dollars. Done deal!
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post #6776 of 11904 Old 06-25-2018, 05:16 PM
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Originally Posted by WilliamG View Post
Yeah but that's just from JVC's instructions I just happened across - and nothing really to do with that thread.

And I guess that's the issue. There are SO many different variations of how to/what to - when it comes to calibration. Be nice if for the money we're spending they just worked well out of the box. Certainly I've never had to futz with a display device as much as I need to with these JVCs. Yeah yeah, I know - these things need X number of hours before calibrating. OK, so just run them that many hours from the factory and then calibrate them, ship them, and charge a couple of hundred extra dollars. Done deal!
To be honest, the JVC projectors look fantastic out of the box. You really don't need to calibrate anything for 90% of the folks to enjoy them. Calibration just brings them to the next level of performance.

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post #6777 of 11904 Old 06-25-2018, 05:18 PM
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Originally Posted by markmon1 View Post
To be honest, the JVC projectors look fantastic out of the box. You really don't need to calibrate anything for 90% of the folks to enjoy them. Calibration just brings them to the next level of performance.
I'm in the 10%, that's for sure. I'm VERY picky about my image quality, I recognize. But even saying that - my wife pointed out the red push on the JVC within minutes, and she's not in the same league of picky as me.
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post #6778 of 11904 Old 06-25-2018, 05:43 PM
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Quote:
Originally Posted by WilliamG View Post
Quote:
Originally Posted by markmon1 View Post
To be honest, the JVC projectors look fantastic out of the box. You really don't need to calibrate anything for 90% of the folks to enjoy them. Calibration just brings them to the next level of performance.
I'm in the 10%, that's for sure. I'm VERY picky about my image quality, I recognize. But even saying that - my wife pointed out the red push on the JVC within minutes, and she's not in the same league of picky as me.
I would have to agree with markmon. To me the out of the box settings in the standard colour profile are Fantastic. I set my black level and called it a day. Yes you could dial it in better but I don’t think it’s gonna be a night and day kind of adjustment.

Now the standard HDR setting is a mess and needs some work. But again if you load Javs curves your gonna be 90% of the way there. If you follow the step by step instruction it won’t take too long to get them installed.
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post #6779 of 11904 Old 06-25-2018, 05:44 PM
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Originally Posted by coxy2416 View Post
I would have to agree with markmon. To me the out of the box settings in the standard colour profile are Fantastic. I set my black level and called it a day. Yes you could dial it in better but I don’t think it’s gonna be a night and day kind of adjustment.

Now the standard HDR setting is a mess and needs some work. But again if you load Javs curves your gonna be 90% of the way there. If you follow the step by step instruction it won’t take too long to get them installed.
I agree. For SDR things look just about fine with a couple of small manual tweaks. HDR, though? That's a mess. I'll get this done this week, and then maybe I'll be a lot happier.

Thank you.
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post #6780 of 11904 Old 06-25-2018, 05:49 PM
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You may also be one that is better off leaving the calibration to a pro and just enjoying a great picture afterwards. No harm at all going that route and you will likely learn some things if you pay attention to the process. It costs a bit more but if you get the right calibrator it will likely give you a better picture than what you could achieve yourself, at least until you acquired the skills some of our forum regulars have.
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