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Video Transmission Lag [Situation Update - Fixed?]
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13842 88 2016-7-22
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DrawsWithLight.
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Baldo81 Posted at 2016-7-28 10:15
Yesterday I unplugged and then plugged again the 2 cables.
I just tested once (1 battery during 1 ...

I've just done the same (after downgrading and upgrading firmware didn't resolve problem) and it's now appears to be ok, but the issue can be intermittent.

Keep me posted
2016-7-28
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thomasneumann10
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Baldo81 Posted at 2016-7-28 05:15
Yesterday I unplugged and then plugged again the 2 cables.
I just tested once (1 battery during 1 ...

Please let me know hope it works. ive only flown mines 2 or 3 batterys since but no lag at all amazingly
2016-7-28
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Baldo81
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thomasneumann10 Posted at 2016-7-28 20:55
Please let me know hope it works. ive only flown mines 2 or 3 batterys since but no lag at all ama ...

I'll test again during the we, I'll keep you posted...
In the meantime I'll remain stick to fw 1.8.80 and DJI go 2.8.3... scared to upgrade before my holidays
2016-7-28
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darwin9026
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Damn! it's so amazing how something so simple can fix that freaking problem lol .... I had the same problem and I left my phantom in a box for 2 months, and now I found this post I unplugged and replugged the gimbal and booooooooooom!! it freaking works!! sorry I'm very excited haha, thanks for let us know that trick thomasneumann10, you're a genius! ........ Grettings from Ecuador
2016-7-28
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Baldo81
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darwin9026 Posted at 2016-7-29 10:58
Damn! it's so amazing how something so simple can fix that freaking problem lol .... I had the same  ...

WOW!!
I haven't tested any further yet, I hope this solved the issue, but it's very strange that this simple thing solves the issu. I really would like to understand (if this is the solution) why it solves the problem and which was then the cause of the lag!!

Maybe oxidized connectors that weren't conducting as expected? what else?? ...soooo strange...
2016-7-29
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DrawsWithLight.
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Baldo81 Posted at 2016-7-29 10:31
WOW!!
I haven't tested any further yet, I hope this solved the issue, but it's very strange that  ...

I have tried half a dozen times since yesterday and it still seems ok. I've not flown it yet but the transmission lag was present before flying anyway. Tried it this morning with antennas folded in, loads of interference and compass error - camera worked just fine. It's been a bit cooler in the UK over the past few days so I'm not ruling out the overheating issue causing the lag mentioned in another post.
2016-7-29
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thomasneumann10
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DrawsWithLight. Posted at 2016-7-29 06:52
I have tried half a dozen times since yesterday and it still seems ok. I've not flown it yet but t ...

Glad to hear this is working!!!

Would of been nice if dji support could of recommended this, instead i was thinking i had a defective unit. Which was brand new. Hopefully it is a long term fix but i have no idea. I wouldn't mind if i had to re-plug once every couple months tho.

And im in Florida so 90-100 degrees +crazy humidity and the heat didn't seem to make a difference after i did this. lets pray it holds up!
2016-7-29
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Baldo81
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I don't think heat is the problem, I've the same issue since last winter... so..
2016-7-29
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DJI-Ken
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darwin9026 Posted at 2016-7-29 10:58
Damn! it's so amazing how something so simple can fix that freaking problem lol .... I had the same  ...

That's great you got it working.
2016-7-29
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Baldo81
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DJI-Ken Posted at 2016-7-29 22:52
That's great you got it working.

Ken what could be the scientific explanation of this fix?! that's so strange!
2016-7-29
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DJI-Ken
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Baldo81 Posted at 2016-7-29 23:49
Ken what could be the scientific explanation of this fix?! that's so strange!

Well in that case the ribbon cable just needed to be firmly pushed back in. Maybe there were some hard landings and it just came a tab loose.
For the other cases if you update firmware and then lose video more than likely some of the data packets got corrupted and damaged the video transmission module.If you only lose video after an update you would read the hidden log file from the SD card on your computer and if it said module 8 and 15 device not detected then you need to send the aircraft in for warranty repair.
You can also try removing the SD card and installing it, that has help a couple users but not immediately after a firmware update.
2016-7-29
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Baldo81
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DJI-Ken Posted at 2016-7-30 00:15
Well in that case the ribbon cable just needed to be firmly pushed back in. Maybe there were some h ...

Thanks! I never hard landed the Phantom, I always hand landing ;)
2016-7-29
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DJI-Ken
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Baldo81 Posted at 2016-7-30 03:01
Thanks! I never hard landed the Phantom, I always hand landing ;)

Sounds good,  have a great weekend.
2016-7-29
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Baldo81
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DJI-Ken Posted at 2016-7-30 03:24
Sounds good,  have a great weekend.

Have a great weekend with nice flights to you as well!
2016-7-29
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DJI-Ken
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Baldo81 Posted at 2016-7-29 12:30
Have a great weekend with nice flights to you as well!

Thank you very much, it is greatly appreciated.
2016-7-29
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Baldo81
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Hi folks!

during the weekend I tested my P3ADV after the unplug/plug suggestion given in this thread... well I've to say that after 7 batteries flew I've faced 0 times lag!!
I tested in every way (high bitrate - auto and custom mode - passing thru photo mode to video mode various times - positioning badly the antennas) trying to see if the lags appeared but nothing!

Well hope this SOLVED completely my issues.. I was loosing confidence in flying her and now I'm happy like a baby!!

THANKS FOR SHARING!!

p.s. +1 to add this to a todo list to solve the lag's issue
2016-8-1
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DrawsWithLight.
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Baldo81 Posted at 2016-8-1 09:36
Hi folks!

during the weekend I tested my P3ADV after the unplug/plug suggestion given in this thre ...

Only had one go at the weekend but everything's OK here too so far
2016-8-1
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imagesbyjas
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DJI-Ken Posted at 2016-7-30 00:15
Well in that case the ribbon cable just needed to be firmly pushed back in. Maybe there were some h ...

Ken,

So, with the current heat here in the Northeast, I've been seeing some video drop outs, but not lag. (1.8.8 on aircraft, 1.6 on RC and 2.8.1 on iPad Mini 2 and 2.8.5 on iPhone).  I've been partly chalking this up to heat, but beginning to wonder.  No change to hardware, same remote, same bird, etc. and didn't start happening until recently.  Shouldn't "auto" on bitrate adjust accordingly, or would you suggest dropping to lowest.  These are not especially high interference areas and will try unplugging and plugging gimbal cables (why not??)  :-)  Should I have decode on or off?  Clear cache? ..  Seems to be somewhat distance related though as well, as when I get within say 500 ft of home (after I've had video drops on screen) it locks in.. I do notice occasional "Video Signal Weak" messages, but again these are known flight locations that never had issue.  Captured Video is fine, and no other "wireless devices" nearby or apps running concurrently..  Just looking for things to try..  Thanks.

Jay S.
2016-8-1
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DJI-Ken
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imagesbyjas Posted at 2016-8-1 22:09
Ken,

So, with the current heat here in the Northeast, I've been seeing some video drop outs, but  ...

You can try decode on/off and see what works better for you. And next time it does that, switch to custom and manually choose a channel and lower the bitrate. And yes, Auto still adjusts the bitrate.
2016-8-1
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DJI-Ken Posted at 2016-8-1 22:41
You can try decode on/off and see what works better for you. And next time it does that, switch to ...

Ken,

Thanks will try..  Also have a 300A and 300B RC so can try both of those as well. "Could" heat cause any drop outs?  I mean between ambient and any flight time, things could get a bit warm up there.  Someone posted this as "their" solution, which also seems like it could have an impact..  Thoughts??

http://uavdoc.com/2016/phantom-3-advanced-video-lag-fixed/7/

Jay S.
2016-8-1
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DJI-Ken
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imagesbyjas Posted at 2016-8-2 04:24
Ken,

Thanks will try..  Also have a 300A and 300B RC so can try both of those as well. "Could" he ...

Yes, heat can be a factor as well.
The aircraft operating temp range is 0°C to 40°C
2016-8-1
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imagesbyjas
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DJI-Ken Posted at 2016-8-2 04:49
Yes, heat can be a factor as well.
The aircraft operating temp range is 0°C to 40°C

Well, with ambient being north of 95 F.. flying in bright sun... Can't help.. and I don't think that small fan (on Pro) can eliminate that much..  Thanks..  Will report back..  Any thoughts on that link showing some increased heat dissipation.  I realize could have warranty implications..
2016-8-1
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wntmldrs
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My first weeks with the P3P were great. Then I started to have video problems, just minor. So I swept devices, from AIR 2 to Nexus 7 II, even a Nexus 7 I and I experienced on and off video problems, mostly during the first flight of the day. Sometimes it was the weather, some times I left wifi on, sometimes there were others app in the background. So I decided, to be on the safe side, whenever I started a flying sessions I always tilt the camera quickly up and down and so I could see if the picture followed or not. If it didn't follow, I did a full shutdown and started again until I had a fluent transmission. After reading the above I think the source must be the source of the picture : the camera assembly. So unplugging refreshes whatever bad connection there might have been and could be the solution.
Anyway tomorrow my bird is coming back from his crack treatment and must have been completely taken apart, and measured and calibrated. So if the video problem is gone I catch two flies with one stroke.
Now I'm double curious. But it explaines how fiddling with the remote and tablet was not curing nothing.
2016-8-1
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Fabio Dell
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Baldo81 Posted at 2016-8-1 04:36
Hi folks!

during the weekend I tested my P3ADV after the unplug/plug suggestion given in this thre ...

Thanks for sharing your solution guys!!

Could you be more detailed about that?? If I've understood well I should remove and plug in again the 2 connectors between gimbal and aircraft. But how to do that?
Should I dismount the gimbal from the aircraft (removing the rubber dumbers) or without removing gimbal?
Moreover, when do you do this? With OFF or ON?

Thanks for sharing!

Fabio
2016-8-1
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Baldo81
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Fabio Dell Posted at 2016-8-2 14:53
Thanks for sharing your solution guys!!

Could you be more detailed about that?? If I've understoo ...

Hi Fabio,

if you go few post before (1st page starting from post 28th) there's the explanation.
PH has to be OFF of course. I just took off 3 rubber dumpers to have more space to operate.
It's a really easy operation ;)

this video can help as well:
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Fabio Dell
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Baldo81 Posted at 2016-8-2 04:47
Hi Fabio,

if you go few post before (1st page starting from post 28th) there's the explanation.  ...

Yes I red that post!!

But noe it's really clear! Didn't know I could remove gimbal so easy!!

Thank you!
2016-8-2
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DrawsWithLight.
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Fabio Dell Posted at 2016-8-2 10:47
Yes I red that post!!

But noe it's really clear! Didn't know I could remove gimbal so easy!! {:4_ ...

I managed to disconnect/reconnect wires using a pair of long nosed tweezers without having to remove gimbal.
2016-8-2
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imagesbyjas
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Fabio Dell Posted at 2016-8-2 17:47
Yes I red that post!!

But noe it's really clear! Didn't know I could remove gimbal so easy!! {:4_ ...

Fabio..

The video does a good job of showing you how to get the clips off the pins (there are two on opposite corners).  I suggest being a bit more gentle with the camera though than that person is.  ;-)  The hardest part is spreading the circular clips to get them off the pins.  I use a technique where I slide the circular clip back down the pin about half way, then raise one side by pushing up and lower the other by pushing down (I'm talking about the circular clip).  Rotate the clip 90 degrees and repeat.  The clip should now slide pretty easily off the pin.  From there the rubber dampers are really easy to get out.. the wires should likewise unclip and then clip back in easily.  As someone said, you should also be able to get to them with thin needle nose pliers and carefully take then off then back on..
2016-8-2
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Baldo81
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Update

I've flew 3 more batteries withou any lag.

I'm going to update FW now and the app to 2.8.6 ...fingers crossed... I will update tomorrow with another flight...
2016-8-4
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TechReviews
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Baldo81 Posted at 2016-8-4 20:32
Update  

I've flew 3 more batteries withou any lag.


so are you on 1.8.60 fw version now ? before you update


thanks
2016-8-4
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DrawsWithLight.
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Baldo81 Posted at 2016-8-4 20:32
Update  

I've flew 3 more batteries withou any lag.

Mines still OK
2016-8-5
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DrawsWithLight.
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TechReviews Posted at 2016-8-5 03:27
so are you on 1.8.60 fw version now ? before you update

I assume reconnecting cables hasn't worked for you?
2016-8-5
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Baldo81
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ok, to wrap up, after the unplug/plug of the cables:

I flew 10 batteries with fw 1.8.80 and DJI GO iOS 2.8.3 without any lag
Yesterday I updated to fw 1.9.60 and DJI GO iOS 2.8.6 and I flew 2 batteries today and I haven't faced any lag!!

HAPPY
2016-8-5
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DrawsWithLight. Posted at 2016-8-5 10:20
I assume reconnecting cables hasn't worked for you?

no not for me
2016-8-5
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Baldo81 Posted at 2016-8-5 17:27
ok, to wrap up, after the unplug/plug of the cables:

I flew 10 batteries with fw 1.8.80 and DJI GO  ...



glad you got sorted/flying again,

hoped it would work for me but not to be
2016-8-5
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thomasneumann10
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Glad this has worked!!!

Now i need more things to film (that i am actually flying for the first time)

Cheers
2016-8-5
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DrawsWithLight.
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RE: Video Transmission Lag [Situation Update]

Got the P3A out on Friday and the video transmission delay issue had returned. Disconnected and reconnetced cbales again and the issue was cured once more, note that cables were seated before doing this.

2016-9-12
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Zala
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Hi there,
I have experienced similar issue and I found this article which I believe make sense.
http://uavdoc.com/2016/phantom-3-advanced-video-lag-fixed/7/
I followed the instruction and solved the problem even to the extend that I purposely left it running (to produce heat) hot and no more lag issue.
Good luck
2016-12-4
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IlanP
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Dear All,

I have also had video lag problems with my Phantom 3 Advanced, although relatively new ( 4 months ) the video lag has been with it from the start, however not consistent, and recently god really bad, up to 5 seconds which made it extremely difficult to fly - FPV.

After reading your great post, and do exactly the same i am happy to report the problem was COMPLETELY FIXED !!!
I did not have to take the gimbal off, i used a pair of small screwdrivers to unplug and re plug the three sockets that were attached to the gimbal, and lo and behold the problem was gone complete, so my advise to all having the same problem, don't hesitate and don't wait, if you have the same problem you must "refresh" your connector ASAP as you may find it impossible to land when it gets really worse.

So thanks again, and look no further, the problem was gimbal connectors, the fixing it is easy
2017-4-30
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maverick5257
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I also think that I have fixed to unplug and re plug the three sockets that were attached to the gimbal,  but now, which firmware are you using for the RC and DJI Go app?
Thank's
2017-5-6
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