2017 LG C7-B7 Owners' Thread (No Price Talk) - Page 790 - AVS Forum | Home Theater Discussions And Reviews
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post #23671 of 36564 Old 03-07-2018, 03:49 PM
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Originally Posted by undersinjake View Post
I see on ebuyusa they have the 65inch b7p for ****. Is that site legit or too good to be true?
I saw that site before buying, but bought elsewhere because it doesn't look legit. D rating from BBB and complaints about bait and switch. There are reputable sellers on the popular auction site that regularly offer good prices on the B7A. Anyhow, wrong thread to discuss deals.
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post #23672 of 36564 Old 03-07-2018, 04:03 PM
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@sonoftumble - this is #2 update? After Dolby Vision, and before Something Great?

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post #23673 of 36564 Old 03-07-2018, 04:34 PM
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Originally Posted by cmdrdredd View Post
Likely no warranty as it’s probably not an official retailer.
Seller does not have to be an authorized LG retailer for full warranty coverage.
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post #23674 of 36564 Old 03-07-2018, 05:03 PM
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Originally Posted by robnalex View Post
Seller does not have to be an authorized LG retailer for full warranty coverage.


Didn’t know that. Many manufacturers only offer warranty through authorized partners.

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post #23675 of 36564 Old 03-07-2018, 05:09 PM
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Originally Posted by PlanetAVS View Post
@Gusnyc , @venus933 , @barth2 , @ChicagoChris

Are you all still experiencing gradual wifi slowdowns? I've tried rebooting my router, powering down the TV but these only provide temporary improvement and the speeds gradually slow down again.

Has anyone tried a factory reset, and if so does that improve things? I may try that but then don't want to do it again after the upcoming firmware update to fix the elevated Dolby Vision issue.
Knocking on wood - My WiFi has been great other than needing to reestablish my connection after my router updates

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post #23676 of 36564 Old 03-07-2018, 05:19 PM
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One reason I wired every room of the house with cat6.
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post #23677 of 36564 Old 03-07-2018, 05:21 PM
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^^^I'm thinking about doing the same, for some reason the internal apps are running slow via wifi...however my other devices run fine.
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post #23678 of 36564 Old 03-07-2018, 05:33 PM
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Originally Posted by Cam1977 View Post
^^^I'm thinking about doing the same, for some reason the internal apps are running slow via wifi...however my other devices run fine.
I am Ethernet on a 400mps fiber connection. The c7 can't break a 100. Could it not be gigabit like my router is?
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post #23679 of 36564 Old 03-07-2018, 05:43 PM
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I?ve got mine hard wired to my router which is pushing 150mb to Speedtest . Haven?t had any issues streaming

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post #23680 of 36564 Old 03-07-2018, 05:48 PM
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Originally Posted by schneid View Post
I am Ethernet on a 400mps fiber connection. The c7 can't break a 100. Could it not be gigabit like my router is?


That is a hardware limitation of the TV and is plenty fast for streaming 4k.
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post #23681 of 36564 Old 03-07-2018, 06:13 PM
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Originally Posted by sonoftumble View Post
The SDR luminance settings also go hand in hand with gamma curves. Currently, HDR calibration workflows use EOTF curves. So right now, things are pretty much subjective and dependent on individual preference. For HDR/DV. set the OLED LIGHT to what looks good to you. Some people out there either actually like the OLED LIGHT set @ 100, or they have convinced themselves that they are preserving precious tone mapping continuity. As I've said before, that setting makes my eyes water after a couple of hours of watching. Also, as I've said before, I don't like it when a desk lamp with a 25 watt bulb looks like it's packing a 100 watt bulb. At that point, it's time to turn down the OLED LIGHT!
Changing the default OLED light and contrast settings in HDR/DV mode does degrade the image output (i.e. Tone Mapping). The TV was designed to work with those defaults. That is why it is recommended not to touch them. Yes it is bright as hell but you can’t calibrate how the panel was engineered on the 2017s.

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Now, the good news is that we will be abandoning EOTF and returning to traditional gamma curves in the not too distant future. Those methods and workflows are already undergoing closed door development and testing at several major TV, playback, and content delivery companies.
Abandoning ETOF for HDR/DV mastering and distribution??? Please provide references (i.e. SMPTE proposals) for this as I’ve seen nothing on this.
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post #23682 of 36564 Old 03-07-2018, 06:50 PM
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2017 LG C7-B7 Owners' Thread (No Price Talk)

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Originally Posted by D-Nice View Post
Changing the default OLED light and contrast settings in HDR/DV mode does degrade the image output (i.e. Tone Mapping). The TV was designed to work with those defaults. That is why it is recommended not to touch them. Yes it is bright as hell but you can’t calibrate how the panel was engineered on the 2017s.







Abandoning ETOF for HDR/DV mastering and distribution??? Please provide references (i.e. SMPTE proposals) for this as I’ve seen nothing on this.


Gonna have to say I disagree on the first point. With the OLED light at the default of 50 for Dolby vision I lose shadow details and some things are pitch black. I am sure that is not how it’s supposed to look when the HDR10 picture of the same scene has these details clearly present on all 3 of my HDR TVs. Yes that includes my OLED with the HDR10 defaults. Putting OLED light to 70 restores the lost detail and black levels are unaffected. So unless I’m supposed to be looking at only black which doesn’t seem right in those scenes at all, I disagree.
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post #23683 of 36564 Old 03-07-2018, 07:13 PM
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Quote:
Originally Posted by D-Nice View Post
Changing the default OLED light and contrast settings in HDR/DV mode does degrade the image output (i.e. Tone Mapping). The TV was designed to work with those defaults. That is why it is recommended not to touch them. Yes it is bright as hell but you can’t calibrate how the panel was engineered on the 2017s.

Abandoning ETOF for HDR/DV mastering and distribution??? Please provide references (i.e. SMPTE proposals) for this as I’ve seen nothing on this.
You are correct - it is eye watering-ly bright as hell, and thoroughly unenjoyable. Sorry, but after I watched as the end credits rolled for "Darkest Hour"; and I noticed blooming on an OLED, I was done with the factory settings and decided that tone mapping be damned. So, I'm going to adjust the OLED LIGHT.

There's all kinds of information out there regarding the industry's desire to return to using traditional gamma curves for HDR/DV content. I am not at liberty to name names at this point, but there are major players that have committed already, with unprecedented cooperation. Details and names soon.
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post #23684 of 36564 Old 03-07-2018, 07:13 PM
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Originally Posted by cmdrdredd View Post
Gonna have to say I disagree on the first point. With the OLED light at the default of 50 for Dolby vision I lose shadow details and some things are pitch black. I am sure that is not how it’s supposed to look when the HDR10 picture of the same scene has these details clearly present on all 3 of my HDR TVs. Yes that includes my OLED with the HDR10 defaults. Putting OLED light to 70 restores the lost detail and black levels are unaffected. So unless I’m supposed to be looking at only black which doesn’t seem right in those scenes at all, I disagree.
The OLED of 50 in the OOTB DV Cinema has nothing to do with your shadow detail issue. It has everything to do with the panel level gamma DV chooses to implement on the LG OLEDs. That does not change with increasing the OLED light and is easily corrected with proper DV calibration.
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post #23685 of 36564 Old 03-07-2018, 07:19 PM
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Originally Posted by sonoftumble View Post
Sorry, but after I watched as the end credits rolled for "Darkest Hour"; and I noticed blooming on an OLED, I was done with the factory settings and decided that tone mapping be damned. So, I'm going to adjust the OLED LIGHT.
The blooming was your eyes (image retention), not the panel

Quote:
There's all kinds of information out there regarding the industry's desire to return to using traditional gamma curves for HDR/DV content. I am not at liberty to name names at this point, but there are major players that have committed already, with unprecedented cooperation. Details and names soon.
Hmmm, I think you are speaking of display calibration (your repeated use of “workflows”) and not abandoning SMPTE 2084..... unless you’re speaking of HLG which I’ve known about for two years now and is already available via DirecTV.
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post #23686 of 36564 Old 03-07-2018, 07:22 PM
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Not sure if it was in the 2017 owners manual, but for 2018 models...owners manual, LG is now advising folks to use the Zoom feature (like Sony warned/advised) when black bars are present (such as in wide screen movies). Degrades the resolution of the image a bit...and removes some of what the director wanted folks to see. But those who like to run at higher olight settings (over 35ish?) and want 5~10 years out of their Oleds, might want to take note.

"Recommended Measures for
Preventing Image Retention
•  Avoid watching a video displaying an image as listed above for
extended periods of time.
•  Adjust your TV settings as below when turning on a video
exhibiting an image as listed above for extended periods of time.
- Picture Picture Mode Settings Picture Mode APS
- Picture Picture Mode Settings OLED LIGHT Adjust
to lower value
- Picture OLED Panel Settings Logo Luminance
Adjustment High
•  Turn off the menu bar of an external device, such as a set-top
box, to prevent long-term display of the menu bar of such device.
(Please refer to the manual of the applicable external device for
instructions.)
•  Adjust the settings as below when watching a video constantly
showing black bars on the left, right, top or bottom, in order to
remove the black bars.
- Picture Aspect Ratio Settings Aspect Ratio
Vertical Zoom or All-Direction Zoom


file:///home/chronos/u-7b4e5794166c9a97511fef6d036ca476449514d3/Downloads/MFL70301502_1.0%252BMFL70320402_1.0%252BRS.pdf

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post #23687 of 36564 Old 03-07-2018, 07:38 PM
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New 65C7

I've gotten a new 65C7. It was delivered yesterday and I am impressed. I think I won the panel lottery and don't see any banding. I'm still playing with the motion settings some but I had tried two Sony 930's and both had problems and the dolby vision on the internal apps was not good at all. HDR looked great. This oled is beautiful when playing DV and worth the difference in price in my opinion! The internal sound is pretty decent too, as I don't have it hooked to my sound system yet.

I have a new Oppo 203 and I was wondering what anyone with the same has their resolution set at?
The choices are auto, custom (UHD Auto), and source direct.
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post #23688 of 36564 Old 03-07-2018, 07:40 PM
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Originally Posted by fireman1000 View Post
I've gotten a new 65C7. It was delivered yesterday and I am impressed. I think I won the panel lottery and don't see any banding. I'm still playing with the motion settings some but I had tried two Sony 930's and both had problems and the dolby vision on the internal apps was not good at all. HDR looked great. This oled is beautiful when playing DV and worth the difference in price in my opinion! The internal sound is pretty decent too, as I don't have it hooked to my sound system yet.

I have a new Oppo 203 and I was wondering what anyone with the same has their resolution set at?
The choices are auto, custom (UHD Auto), and source direct.
I have my Oppo source direct

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post #23689 of 36564 Old 03-07-2018, 07:42 PM
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Quote:
Originally Posted by fireman1000 View Post
I've gotten a new 65C7. It was delivered yesterday and I am impressed. I think I won the panel lottery and don't see any banding. I'm still playing with the motion settings some but I had tried two Sony 930's and both had problems and the dolby vision on the internal apps was not good at all. HDR looked great. This oled is beautiful when playing DV and worth the difference in price in my opinion! The internal sound is pretty decent too, as I don't have it hooked to my sound system yet.

I have a new Oppo 203 and I was wondering what anyone with the same has their resolution set at?
The choices are auto, custom (UHD Auto), and source direct.
Output Resolution: Source Direct
Custom Resolution: UHD Auto
Color Space: YCbCr 4:2:2
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post #23690 of 36564 Old 03-07-2018, 08:15 PM
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The first piece of 4K tech has been purchased, 65" B7.

I am not upgrading my AVR or adding a new video card to my HTPC, so primary 4K viewing will be via the TVs built in apps. I will likely add an NVidia Sheild and a Denon AVR X3300 in the near future.

I look forward to sending my i1 Display 3 to Tom at Chromapure for the Pro upgrade and refreshed calibration tables, it's been 5 years since purchased new.

Has anyone who replaced a 65" VT60 had success in using the same wall mount? I need to order the necessary accessories to get the OLED up as soon as possible. Namely new HDMI cables, so I can make the upgrades while the TV is off the wall.

Any other calibration tips from Chromapure users are also welcome!

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post #23691 of 36564 Old 03-07-2018, 08:16 PM
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Hmm, this discussion among the experts (well, anyone who knows more about this than ordinary folks like me) over whether it's right to change OLED Light (and Contrast, Brightness and maybe Color?) in the HDR and DV picture modes has been both confusing and enlightening. Really appreciate hearing D-Nice's opinion. What say you, jrref?

I've been one of those who hasn't touched those settings because I didn't want to mess with the tone mapping, and I haven't felt the need to change them because, believe it or not, the defaults don't bother me like they do for some others. The picture doesn't look blown out to me--a bit contrasty, yes--but my eyes don't water and I'm not reaching for the sunglasses.

Having said that, I get why some feel the need to change the settings, especially OLED Light. Let's say the picture did cause my eyes to go bonkers--well, what am I going to do? Watch less TV? "Dude, my panel is nearly unwatchable, but the tone mapping is freakin' spectacular!" So yeah, I think in the past (like a few minutes ago) I was a bit dogmatic about not changing those settings, but there has to be some common sense, too.
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Last edited by forreal; 03-08-2018 at 01:56 AM.
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post #23692 of 36564 Old 03-07-2018, 08:30 PM
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Having said that, I get why some feel the need to change the settings, especially OLED Light. Let's say the picture did cause my eyes to go bonkers--well, what am I going to do? Watch less TV? "Dude, my panel is nearly unwatchable, but the tone mapping is freakin' spectacular!" So yeah, I think in the past (like a few minutes ago) I was a bit dogmatic about not changing those settings, but there has to be some common sense, too.
I was thinking the same thing reading some posts earlier. I am all for keeping things as accurate or intended as possible and I strive for that with my displays and I always calibrate them with Calman but in no way would I ever keep something like that if it was hurting my eyes. I don't have my OLED yet but if I get it and the default hdr light value hurts my eyes then I will turn it down. It'd be sheer lunacy to me not to adjust it just to keep things as they were intended even if it was physically bothering me. Watching stuff is supposed to be for entertainment and not causing one to get a headache or their eyes to go funky.
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post #23693 of 36564 Old 03-07-2018, 09:04 PM
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I have a new Oppo 203 and I was wondering what anyone with the same has their resolution set at?
The choices are auto, custom (UHD Auto), and source direct.
I have mine set at custom (UHD Auto), but I've done a bit of testing and can't see any difference between letting the Oppo do upscaling for HD sources as opposed to the TV doing the upscaling. I haven't tested much with DVD's, though. But as far as I can tell, the modern upscalers (whether in the C7, the Oppo, or a Shield) are all pretty darn good.
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post #23694 of 36564 Old 03-07-2018, 09:10 PM
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@Gusnyc , @venus933 , @barth2 , @ChicagoChris

Are you all still experiencing gradual wifi slowdowns? I've tried rebooting my router, powering down the TV but these only provide temporary improvement and the speeds gradually slow down again.

Has anyone tried a factory reset, and if so does that improve things? I may try that but then don't want to do it again after the upcoming firmware update to fix the elevated Dolby Vision issue.
I found the solution to my wifi slowdown problem. I can't remember if I read it on this forum or Reddit, but it has to do with your WiFi band choice. I was only having this issue when using internal apps (YouTube, Dolby Demo, etc.) What I found out was that someone was having similar issues and they switched their frequency band from 5GHz to 2.4GHz. I use 5GHz too so I made the switch and no more buffering and bad PQ from internal apps.

For whatever reason, some LG's don't play nice with the 5GHz bands. I only use one internal app, Youtube, if I want to check out 4K videos. Otherwise, I use ATV for my streaming needs, and switch back to 5GHz. If any of you have dual-band routers, try the 2.4 for internal apps and see if that fixes it for you as well.
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post #23695 of 36564 Old 03-07-2018, 09:13 PM
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^^^ooh great info their...gonna change that right now to see if it works.
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post #23696 of 36564 Old 03-07-2018, 09:19 PM
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Originally Posted by PlasmaHiDef View Post
I found the solution to my wifi slowdown problem. I can't remember if I read it on this forum or Reddit, but it has to do with your WiFi signal. I was only having this issue when using internal apps (YouTube, Dolby Demo, etc.) What I found out was that someone was having similar issues and they switched their frequency band from 5GHz to 2.4GHz. I use 5GHz too so I made the switch and no more buffering and bad PQ from internal apps.

For whatever reason this these LG's don't play nice with the 5GHz bands, at least some of us. I only use the Youtube internal app if I want to check out 4K videos. Otherwise, I use ATV for my streaming needs. If any of you have dual-band routers, try the 2.4 band and see if that fixes it for you as well.
Thanks for the tip, I will look into that. Odd that it didn't seem to be a problem until recently. Anyone else out there SUCCESSFULLY using 5 Ghz wifi access for their OLED, without problems?
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post #23697 of 36564 Old 03-07-2018, 09:22 PM
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Originally Posted by forreal View Post
Hmm, this discussion among the experts (well, anyone who knows more about this than ordinary folks like me) over whether it's right to change OLED Light (and Contrast, Brightness and maybe Color?) in the HDR and DV picture modes has been both confusing and enlightening. Really appreciate hearing D-Nice's opinion. What say you, jrref?

I've been one of those who hasn't touched those settings because I didn't want to mess with the tone mapping, and I haven't felt the need to change them because, believe it not, the defaults don't bother me like they do for some others. The picture doesn't look blown out to me--a bit contrasty, yes--but my eyes don't water and I'm not reaching for the sunglasses.

Having said that, I get why some feel the need to change the settings, especially OLED Light. Let's say the picture did cause my eyes to go bonkers--well, what am I going to do? Watch less TV? "Dude, my panel is nearly unwatchable, but the tone mapping is freakin' spectacular!" So yeah, I think in the past (like a few minutes ago) I was a bit dogmatic about not changing those settings, but there has to be some common sense, too.
I totally get the issue of the picture being too bright for one’s eyes and to instinctual response to turn the brightness down. My point, and only my point, was to make sure you understand what the end result of the picture will be if you reduce the brightness on the 2017 and earlier TVs... not just OLEDs. I’ve seen it thrown around quite a few times that this practice is OK and there are no serious consequences to image fidelity. If you cringe at watching TV in Vivid/Dynamic mode, please be mindful of what you change in the HDR/DV modes.
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post #23698 of 36564 Old 03-07-2018, 09:24 PM
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Originally Posted by PlanetAVS View Post
Thanks for the tip, I will look into that. Odd that it didn't seem to be a problem until recently. Anyone else out there SUCCESSFULLY using 5 Ghz wifi access for their OLED, without problems?
Yes, very odd. I never had this issue until recently. I have always used 5Ghz. I would like to know what the real issue is.

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post #23699 of 36564 Old 03-07-2018, 09:24 PM
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Seller does not have to be an authorized LG retailer for full warranty coverage.


I actually just ended up going to Costco and exchanging the 55 for 65. Hopefully there will be another price drop before the 90 day return policy ends 😛
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post #23700 of 36564 Old 03-07-2018, 09:48 PM
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Originally Posted by PlanetAVS View Post
Thanks for the tip, I will look into that. Odd that it didn't seem to be a problem until recently. Anyone else out there SUCCESSFULLY using 5 Ghz wifi access for their OLED, without problems?
I'm having no issues with the 5 GHz band. You may want to experiment using different 5 Ghz channels. Avoid using the auto setting as most routers default to the same channels.

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