Official JVC - 20LTD - RS640 (x990/x9900) - RS540 (X790/x7900) - Owners Thread - Page 406 - AVS Forum | Home Theater Discussions And Reviews
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post #12151 of 12247 Old 09-09-2019, 08:10 AM
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Originally Posted by Bytehoven View Post
Saturday movie night - full house - double header

Avengers Infinity Wars + Avengers Endgame

Just a fabulous experience ... All guests were well entertained.

Those are some long movies....lol. Good ones though.
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post #12152 of 12247 Old 09-09-2019, 10:57 AM - Thread Starter
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Originally Posted by Cleveland Plasma View Post
Those are some long movies....lol. Good ones though.
Hi Chris...

Funny thing ... they don't feel long. Or at least not as long as some other Marvel movies feel even at shorter run times.
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post #12153 of 12247 Old 09-09-2019, 01:32 PM
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Hi, Datacolor, manufacturer of Spyder calibration monitor (Spyder 4, 5) has released the new SpyderX Datacolore monitor calibration. I ask if this monitor calibration is compatible with the self-calibration software of JVC X7900 video projector.
Thank you
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post #12154 of 12247 Old 09-09-2019, 02:01 PM
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Originally Posted by pippo53 View Post
Hi, Datacolor, manufacturer of Spyder calibration monitor (Spyder 4, 5) has released the new SpyderX Datacolore monitor calibration. I ask if this monitor calibration is compatible with the self-calibration software of JVC X7900 video projector.
Thank you
It is not. It will only be supported by the JVC NX projectors.
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post #12155 of 12247 Old 09-09-2019, 02:05 PM
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It is not. It will only be supported by the JVC NX projectors.
What a pity
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post #12156 of 12247 Old 09-09-2019, 02:11 PM
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Yeah, historically JVC only seems to update autocal meter support if the current one becomes discontinued while the projector series is still being produced. This happened once from the Spyder4 to the Spyder5 and now is happening again for the Spyder5 to the SpyderX.

Only the autocal for the RS400/500/600 series supports both the Spyder4 and 5 as that's when the switch over happened.
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post #12157 of 12247 Old 09-09-2019, 06:34 PM
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Quote:
Originally Posted by Bytehoven View Post
Saturday movie night - full house - double header

Avengers Infinity Wars + Avengers Endgame

Just a fabulous experience ... All guests were well entertained.

Great choices! I’m sure everyone had a blast. My oldest son and I watched Endgame again yesterday. Perfect picture and sound! Great movie too!
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post #12158 of 12247 Old 09-09-2019, 07:58 PM
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I think my newer X790 has a slight color shift after about 30 to 45 minutes of watching. It seems to go from a cool picture to one that is almost overly warm and loses some of its color. My RS40 did the same thing as I recall. So I'm wondering if this can be addressed and, if so, how. I much prefer the first 30 minute look. Do I need to have two separate calibrations? One for when it's warming up and one for when it's warm?

Jack
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post #12159 of 12247 Old 09-09-2019, 08:08 PM
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I think my newer X790 has a slight color shift after about 30 to 45 minutes of watching. It seems to go from a cool picture to one that is almost overly warm and loses some of its color. My RS40 did the same thing as I recall. So I'm wondering if this can be addressed and, if so, how. I much prefer the first 30 minute look. Do I need to have two separate calibrations? One for when it's warming up and one for when it's warm?
That is true for all lamp based projectors. I don't think there's any solution to the issue. The shift is gradual; at what point would you switch from one calibration to another?
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post #12160 of 12247 Old 09-09-2019, 09:28 PM
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That is true for all lamp based projectors. I don't think there's any solution to the issue. The shift is gradual; at what point would you switch from one calibration to another?
Probably when my eyes noticed it. It's not hard to see.

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post #12161 of 12247 Old 09-09-2019, 09:44 PM
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Probably when my eyes noticed it. It's not hard to see.
It’s not hard to see, but the point where you first notice it likely won’t be the end of the shifting; i.e., it will continue to shift after that.
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post #12162 of 12247 Old 09-10-2019, 05:28 AM
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Goodbye RS540/790R (sold to a forum member) and 16:9 SilverTicket!

Hello RS2000/NX7 (thanks ClevelandAV), Paladin DCR and 2.40:1 Seymour Center Stage XD w/masking! :-)
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post #12163 of 12247 Old 09-10-2019, 12:29 PM - Thread Starter
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Originally Posted by Mike Johnson 3 View Post
Goodbye RS540/790R (sold to a forum member) and 16:9 SilverTicket!

Hello RS2000/NX7 (thanks ClevelandAV), Paladin DCR and 2.40:1 Seymour Center Stage XD w/masking! :-)
Congrats. Nice package. Chris is a super guy.

Whoever snapped up your 540 + Silver Ticket also ended up with a nice setup, so congrats all around.

I'm not ready to trade up from my x990 yet. I'm still holding out for a better laser option.
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post #12164 of 12247 Old 09-10-2019, 12:32 PM
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Originally Posted by Dominic Chan View Post
It’s not hard to see, but the point where you first notice it likely won’t be the end of the shifting; i.e., it will continue to shift after that.
So Dominic, if you can see it what do you do to combat the shifting colors?

Jack
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post #12165 of 12247 Old 09-10-2019, 01:01 PM
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So Dominic, if you can see it what do you do to combat the shifting colors?
I calibrate after the warm up period, and live with the initial inaccuracy. I don’t “prefer” the initial appearance.
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post #12166 of 12247 Old 09-10-2019, 01:07 PM
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I calibrate after the warm up period, and live with the initial inaccuracy. I don’t “prefer” the initial appearance.
That's because us older folks like it cool.

Jack
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post #12167 of 12247 Old 09-10-2019, 01:09 PM
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That's because us older folks like it cool.
I’m probably older

If you like it cool you can always calibrate to 7000K or even 7500K. Not a problem even if it’s non-standard in North America.
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post #12168 of 12247 Old 09-10-2019, 01:27 PM
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I’m probably older

If you like it cool you can always calibrate to 7000K or even 7500K. Not a problem even if it’s non-standard in North America.
I'll try that. Bet you can't beat near octagon.

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post #12169 of 12247 Old 09-10-2019, 01:32 PM
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Bet you can't beat near octagon.
You win
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post #12170 of 12247 Old 09-10-2019, 05:39 PM
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Being able to deactivate eshift is needed to achieve best focus results, which I assume us what you might have in mind.


Byte Can you explain this in a little more detail? Having eshift enabled somehow limits the ability of the projector to achieve optimal focus?
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post #12171 of 12247 Old 09-10-2019, 05:47 PM - Thread Starter
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Byte Can you explain this in a little more detail? Having eshift enabled somehow limits the ability of the projector to achieve optimal focus?
Yes... with eshift enabled the pixel edges are all bit completely obfuscated. With eshift disabled, you can clearly see the pixels edges. It is the pixel edges which offer a clear frame of reference for fine tuning focus.

I just tested and confirmed, with the ub820 in 4k scaling mode on input 1, switching to input 2 (nothing connected) allowed for eshift to be disabled to adjust focus.

Btw... I used the onboard test pattern for focus adjustments.
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post #12172 of 12247 Old 09-10-2019, 06:10 PM
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Thanks. Is this focusing procedure being done every time you power up the PJ? Or only after shift/zoom?

How big of a difference does it make? Currently I use the ‘focus’ text in corresponding lens control mode to tune focus. I only do this after shifting or zooming lens. Seems to work well but maybe I don’t know what I’m missing?
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post #12173 of 12247 Old 09-10-2019, 07:04 PM
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Quote:
Originally Posted by ddigler View Post
Byte Can you explain this in a little more detail? Having eshift enabled somehow limits the ability of the projector to achieve optimal focus?
With E-shift engaged, it is hard to judge when it is in perfect focus, because you can't clearly see the pixel grid. So turn off E-shift, so that you can clearly see the pixel grid. Then put up a test pattern for focus and adjust the focus. Then you can either leave E-**** off or turn it back on. if left off, everything 1080P and less will be displayed at 1080P and when ever a 4k signal is sent to the projector, E-shift will automaticlly turn on.

Added
To focus the projector, let it warm up 45 minutes or more, then adjust convergence, then adjust focus. You should not have to adjust focus each time. You might check it every now and then, but only after projector is fully warmed up. Never adjust if not warmed up, because it will be off, once warmed up.
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Last edited by Mike Garrett; 09-10-2019 at 07:08 PM.
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post #12174 of 12247 Old 09-10-2019, 07:23 PM - Thread Starter
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Originally Posted by ddigler View Post
Thanks. Is this focusing procedure being done every time you power up the PJ? Or only after shift/zoom?

How big of a difference does it make? Currently I use the ‘focus’ text in corresponding lens control mode to tune focus. I only do this after shifting or zooming lens. Seems to work well but maybe I don’t know what I’m missing?
I check focus maybe once a month, but my x990 has been very stable. I usually do this after a movie session before I shut things down. It has been a while since I checked convergence, but nothing is jumping out at me. Mike's comment will provoke me to check it after my next session.

Any manual change in zoom requires a focus tweak. However, my switching between stored lens control settings for 16:9 and a few wide screen setups, result in proper focus.

Looking at text will get you close, but standing at the screen and looking at the pixels will get you to perfect.
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post #12175 of 12247 Old 09-10-2019, 08:31 PM
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Quote:
Originally Posted by Bytehoven View Post
I check focus maybe once a month, but my x990 has been very stable. I usually do this after a movie session before I shut things down. It has been a while since I checked convergence, but nothing is jumping out at me. Mike's comment will provoke me to check it after my next session.

Any manual change in zoom requires a focus tweak. However, my switching between stored lens control settings for 16:9 and a few wide screen setups, result in proper focus.

Looking at text will get you close, but standing at the screen and looking at the pixels will get you to perfect.
Yes, if you are using lens memory with a change in focus, you are more likely to have to adjust focus, gthan someone not using lens memory.
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post #12176 of 12247 Old 09-11-2019, 06:29 PM
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Just finished First Blood on UHD. Wow, what great PQ and the use of HDR to enhance the colors and provide specula highlights was fantastic. Still loving my 540 after almost a year. Only have about 350 hours on it so far.
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post #12177 of 12247 Old 09-11-2019, 06:31 PM
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I'm a week or so away from firing up my x790 and the anticipation is killing me.

Sent from my GM1915 using Tapatalk
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post #12178 of 12247 Old 09-13-2019, 01:17 PM
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I'm a week or so away from firing up my x790 and the anticipation is killing me.

Sent from my GM1915 using Tapatalk
You're in for such a treat.
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post #12179 of 12247 Old 09-15-2019, 06:45 AM
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Hello JVC experts

Just finished to install my new 790R.

I am new to JVC projectors and i can not see in the manual what setting to increase picture sharpness? Focus seem good and the colors are beautiful but the picture looks more 720p than 1080p on Netflix? It is worst when watching TV. I removed the Darbee DVS5000 from the loop and turned off eshift 5.

TV Projector is about 13 feet from 100inches screen. Maybe i should give more time the lamp?

Daniel

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post #12180 of 12247 Old 09-15-2019, 06:48 AM
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What is the consensus regarding upscaling of 1080P source with the 640? Does it do a good job upscaling or better to stay in 2K mode and leave e-shift off?

Also, I noticed while messing with Settings that 4K mode can be on even when e shift is turned off. How is 4K achieved when e shift is deactivated? An example of a situation somebody would want to use 4K mode without e shift?
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