Installing my new security cameras and am having problems with the display. I'm trying to use a television as the monitor because I would like to have all 8 cameras display at once. I have an older Panasonic Viera flat screen but it will not display anything from the NVR, just a blank screen even without the cameras connected. It is an HDMI TV but its probably about 8 ~ 10 YO. The NVR displays fine on a couple of other newer TV's that I have. I was just wondering if HDMI has changed in this time that would be preventing it from working?


NVR Features: 4K UltraHD, 4TB
• 8 IP Video Channels
• 8 PoE Ports (Power over Ethernet)
• 256 Mbps Incoming Bandwith
• Up to 4K Resolution Live & Playback
• 1/4/8 Camera Grid Display Playback
• HDMI & VGA output
• Smart video detection: MD, camera blank, video loss
• 3D intelligent positioning PTZ dome cameras
• Easy backup: USB devices, CD/DVD-RW, cloud & network download
• Alarm triggering screen tips, buzzer, PTZ, e-mail & FTP upload
• 2 SATA Hard Drive, Max Storage 8TB
• Built-in web server, CMS(DSS/PSS) & DMSS

Maybe the NVR is using an output mode that is incompatible with the TV's input mode?

Like the NVR is sending a 1080P signal but the TV can only handle 720P?

What happens if you use VGA output to the Tv?
Even if it is not your ultimate output mode ~ at least to test?

quote:

I was just wondering if HDMI has changed in this time that would be preventing it from working?

Actually, it has changed quite a bit.
Coordination of settings, cables, connectors and original material are all required.
Failure usually happens when you push something beyond their limits but most is backwards compatible but not always automatically so.

https://www.lifewire.com/fix-h...ion-problems-1846811

Remember that HDMI is essentially a network protocol.

There is a problem with network communication here somewhere.

quote:

Originally posted by PASig:
Remember that HDMI is essentially a network protocol.

There is a problem with network communication here somewhere.

No, that's not it.

HDMI (High-Definition Multimedia Interface) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for analog video standards.

Is the "8 ~ 10 YO" "Panasonic Viera flat screen" an old school plasma? I have one, and the max resolution input it supports is 1080i/720p.

I would bet that NVR is setup to output in 4k or 1080p, which that older Viera doesn't support. Can you use one of the other displays to configure the NVR output for 720p?

Thanks
Not a plasma.

I didn't try the VGA but I will.

This TV will be a slave monitor for viewing upstairs. I was going to split the HDMI out of the NVR. The NVR is downstairs in the family room and this TV displays just fine.

Does both the VGA and HDMI ports output at the same time? In other words can I leave the one TV on HDMI and the other on VGA and view both simultaneously?

quote:

Originally posted by 08 Cayenne:
Thanks
Not a plasma.

I didn't try the VGA but I will.

This TV will be a slave monitor for viewing upstairs. I was going to split the HDMI out of the NVR. The NVR is downstairs in the family room and this TV displays just fine.

Does both the VGA and HDMI ports output at the same time? In other words can I leave the one TV on HDMI and the other on VGA and view both simultaneously?

Probably doesn't matter if it's a plasma, based solely on age, I'd say it is probably still not 4k/1080p compatible. 1080p, maybe, maybe not, but almost certainly not 4k. If the TV is 8-10 YO, I'd say it is probably input mode limited. So you may still want to look at the NVR video output configuration.

As for simultaneous output capability, it depends on the NVR, and how it's configured. I'll vote that part as a solid, probably/maybe.

Doesn't really matter though, if your objective is to use an HDMI splitter, get the output of the NVR set to 720p and it should be compatible with pretty much anything you might want to use. You're making this more difficult than it needs to be if the NVR output can be changed to a resolution/output mode compatible with all the devices you want to use.

EDIT: Also, if the TVs are a fair distance apart, you may need to use an HDMI extender. HDMI has a max practical distance of ~50 feet.

quote:

Originally posted by 08 Cayenne:
Thanks
Not a plasma.

I didn't try the VGA but I will.

This TV will be a slave monitor for viewing upstairs. I was going to split the HDMI out of the NVR. The NVR is downstairs in the family room and this TV displays just fine.

Does both the VGA and HDMI ports output at the same time? In other words can I leave the one TV on HDMI and the other on VGA and view both simultaneously?

How long of a cable are you using? HDMI is digital, you'll get either all or nothing, not a crappy fuzzy picture if you have it too long. You might also try turning the NVR to 720P output or so - might gain a few ft of transmit capability, but probably not a huge gain..
I have a 100' HDMI cable that works, but not on all source devices - cheaper, smaller, lower-power usage ones don't work. A Satellite TV box will work, but a chromecast won't, for example.

I agree that it's probably more in the Output Settings of the NVR than the TV itself.

Some computers/NVRs also struggle with simultaneous output to multiple devices (and most importantly - via different output formats) more than others, also, and even when you get it to work its more finicky, which all comes back to the Video Card itself.

If it were me I'd haul the old TV down near the NVR to make the experiments easier, and I'd monkey with the Output Settings of the NVR.

Will it work with just the old TV?
Will it work with both but a short cable run?

Thanks for the troubleshooting link.

All I did was connect to the HDMI on the old TV, it wouldn't work so I moved to a newer TV and it worked fine. I never tried to hook to multiple TV's at the same time.

The HDMI cable is 6'.

If I change the output of the NVR to 720P, will the digital image quality be reduced? I'd rather buy a new TV if it is. Just bought sweet 4K motorized zoom cameras.

I'm ignorant when it comes to this, I have no idea how to configure anything. Will have to research this.

What's the model number of the old Panasonic TV?

And the make and model number of the NVR setup?

Panasonic Viera TC-26LX60

There is no make on the NCR. I bought it from Backstreet Surveillance.
Model Number is NVR302A-08/8P 4KS2

Googled it, looks like a Dahua

quote:

Originally posted by 08 Cayenne:
Thanks for the troubleshooting link.

All I did was connect to the HDMI on the old TV, it wouldn't work so I moved to a newer TV and it worked fine. I never tried to hook to multiple TV's at the same time.

The HDMI cable is 6'.

If I change the output of the NVR to 720P, will the digital image quality be reduced? I'd rather buy a new TV if it is. Just bought sweet 4K motorized zoom cameras.

I'm ignorant when it comes to this, I have no idea how to configure anything. Will have to research this.

Will the resolution be reduced, yes. Will you notice a difference, probably not. Maybe you'd notice on the newer TV (assuming 4k vs 720p).
Doesn't cost anything to try & at least you'll know what to try if that new TV doesn't work either....

6' HDMI cable negates everything in my previous post, but you might keep it in mind once you start splitting & running longer distances.

quote:

Originally posted by 08 Cayenne:
Panasonic Viera TC-26LX60

Quick duckduckgo search says that model only supports up to 1080i input.

There have been several versions of HDMI over the years. If you have seen it work on newer sets, it's not the cable itself causing it. Chances are, that TV only supports an early version of HDMI and simply won't support what the NVR is spitting out.

I have 7 of 8 camera ports on my DVR connected. Goes by HDMI to an HDMI splitter then to 4 different 720 monitors (all TV's). 6 cameras are 4 mg and the other is 2 mg. Good pictures on each monitor. Longest run is 75'. I bought a splitter from either Newegg or Amazon (don't remember which) 1 port in and 4 out.

This message has been edited. Last edited by: molachi,

At the risk of stating the obvious, many TVS have multiple hdmi ports. Have you scrolled thru all your hdmi inputs and nothing on any of them?

Sounds like the age of the monitor places this with an earlier version of HDMI. The pixel clock rate and some video/audio standards changed. Potentially causing incompatibility. I tried to verify which version of HDMI on the model but didn't see it listed on the manual. A little more sleuthing could match the HDMI version and monitor based on the year of being manufactured.

So, I'd try the VGA output as suggested. You could also try the HDMI again. Just make sure to thoroughly go through the menu items on both devices and make sure the output/input signals are compatible if you have options to change this. It is possible that the devices are just incompatible via HDMI.

Thanks again everyone.

There is only 1 physical hdmi connection on the tv and in the menu for selecting the output it has TV, HDMI, and 4 different selections for aux. Hopefully the tv has a vga socket and its one of the aux's.

I just found the manual on-line and it does not have a VGA input.

I called technical support where I bought the equipment and they say that both the hdmi and vga outputs are usable at the same time. So if the vga works on the old tv I'm good, no need to split.