Offical JVC DLA-RS4810 Owners Thread - Page 62 - AVS Forum
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post #1831 of 1839 Old 06-14-2014, 07:10 PM
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I think this is normal.

Sent from my SCH-I545 using Tapatalk
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post #1832 of 1839 Old 06-14-2014, 07:36 PM
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Definitely not up to 15 clicks. One click and a little delay

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Maybe I'm wrong about the number of clicks. I say click to mean one button press at a time for fine adjustment vs press and hold to make larger moves. There is slack on some clicks on both vertical and horizontal.

But the behavior I'm talking about is most noticible when you press and hold left or right. When I do that, I hear the motor start and then about second later it starts to move. Like there is some slack before the lens moves. Vertical does not do this, nor does my old rs40.

So do you guys get that delay when you press and hold horizonatally, but your vertical is more quick to move?

Hoping this is normal and others have the same thing.
You do have to play with the shifting to get the image precise. Sometimes you get one large shift with a click that then requires a few clicks which are shorter to get the image exact, etc.

Also, the lens memories do forget a little. If I switch a memory from, say 1:85 to 2:35 then back 1:85, the memory shift will be off slightly and require a few clicks to get the image exact again.

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post #1833 of 1839 Old 06-14-2014, 10:51 PM
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Originally Posted by DavidHir View Post
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Originally Posted by curlyjive View Post
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Originally Posted by rhale64L7 View Post
Definitely not up to 15 clicks. One click and a little delay

Sent from my SCH-I545 using Tapatalk
Maybe I'm wrong about the number of clicks. I say click to mean one button press at a time for fine adjustment vs press and hold to make larger moves. There is slack on some clicks on both vertical and horizontal.

But the behavior I'm talking about is most noticible when you press and hold left or right. When I do that, I hear the motor start and then about second later it starts to move. Like there is some slack before the lens moves. Vertical does not do this, nor does my old rs40.

So do you guys get that delay when you press and hold horizonatally, but your vertical is more quick to move?

Hoping this is normal and others have the same thing.
You do have to play with the shifting to get the image precise. Sometimes you get one large shift with a click that then requires a few clicks which are shorter to get the image exact, etc.

Also, the lens memories do forget a little. If I switch a memory from, say 1:85 to 2:35 then back 1:85, the memory shift will be off slightly and require a few clicks to get the image exact again.

Yes I know lens shift is a bit erratic. It was on all the projectors I've had. The rs40 was jumpy and drifted more than the 4810.

But the 40 had no slack or take up. The 4810 has some take up left to right. If I hold down left and move it 6" or so, if I the hold down right the motor will go but it takes like a second for the lens to start moving. Just like there is some slack or take up before it catches. There is no odd motor sound or anything. Doesn't do this up and down though. That moves immediately.
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post #1834 of 1839 Old 06-15-2014, 10:23 AM
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^

It sounds like your projector is working as well as can be expected. I wouldn't sweat it.

When I go to adjust my 4910's lens shift vertically, for the first two clicks it always seems to move in the wrong direction before, on click three, it compensates for the first two wrong-direction moves and takes a big jump in the right direction. It's weird but oh well.
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post #1835 of 1839 Old 06-15-2014, 11:37 AM
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Quote:
Originally Posted by Schwa View Post
^

It sounds like your projector is working as well as can be expected. I wouldn't sweat it.

When I go to adjust my 4910's lens shift vertically, for the first two clicks it always seems to move in the wrong direction before, on click three, it compensates for the first two wrong-direction moves and takes a big jump in the right direction. It's weird but oh well.
Yep, I've experienced that on my RS4810 too.

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post #1836 of 1839 Old 06-15-2014, 11:40 AM
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Originally Posted by Schwa View Post
^

It sounds like your projector is working as well as can be expected. I wouldn't sweat it.

When I go to adjust my 4910's lens shift vertically, for the first two clicks it always seems to move in the wrong direction before, on click three, it compensates for the first two wrong-direction moves and takes a big jump in the right direction. It's weird but oh well.
Yeah I'm thinking its normal.


I'm getting some lamp flickering that us more of a concern. It goes away in high mode. Sometimes that will stop it if u switch back to low sometimes not. I got it last week with 0 hours on the bulb. It now has 18.

I've read about the arcing and running it high mode for a while. I hate to wear down the bulb though. Plus i don't know if this is an indicator of a failure prone lamp. A bigger concern is the possibility that it is the projector not the lamp. Sucks because it's great otherwise. Good sample and I had great results calibrating it. The main reason for upgrading was lamp issues on my rs40 so I'm bummed about it.

I'll contact avs tomorrow, but any thoughts?
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post #1837 of 1839 Old 07-07-2014, 03:57 PM
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I'm about to order the emitter for mine. Is there a difference in the PK-EM2P and PK-EM2G?
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post #1838 of 1839 Old 07-21-2014, 07:51 PM
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My unit was calibrated by Chad B, so I am not sure of all of the CMS adjustments. He did use the Stage profile on mine.

Skin tones look excellent and natural. I've never seen any kind of yellow or unnatural look. Very good color, overall. My basis for comparison would be my Panasonic 65" VT60 plasma which has reference quality color (also calibrated by Chad).

Stage is probably used because it has the lowest dE for 100%. Well this is the reason I used it... I calibrated 100% manually to .40dE and used my Lumagen for the 3d LUT calibration using BT1886. It looks awesome!!
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post #1839 of 1839 Old 07-21-2014, 08:05 PM
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Stage is probably used because it has the lowest dE for 100%. Well this is the reason I used it... I calibrated 100% manually to .40dE and used my Lumagen for the 3d LUT calibration using BT1886. It looks awesome!!
Yep I bet with the Lumagen you get really get it dialed in nicely. I have some dE errors/under saturation just over 3 with cyan, magenta, and blue at 50 to 75% if I recall. I would have to check my cal report again. I have no video processor, but those colors still look good on content.
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