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Thanks guys/gals?, you were pretty much correct, although there wasn't any "Codec" field. One of the mainstream fields had changed (not by me or anyone else) so I changed it back to match the other cameras and all is well. Thanks for the help.

My 4216P NVR has, for the past few years, displayed all 10 cameras (stream S1) on the monitor. But recently one of the camera windows is blank unless I switch the stream to Main. I've fiddled with lots of settings but I'm at a loss to the reason why. I'm sure it's something sinmple. Any...

I can access my NVR web GUI remotely via OpenVPN on my TP Link modem at home and OpenVPN on my laptop (and MS Edge) when I'm away from home. I can view live footage and playback videos but I cannot see how to get a copy of a video clip. So for example, If I'm away from home, use my laptop to...

Thanks TonyR. I didn't know a "mobile" range existed with Dahua. I'll look into it.

I have Dahau gear for home but would like to install a 12V system on my motorhome. I figure 8 cameras to cover the outside perimeter and NVR to record and provide intruder alerts. A couple of experiences when remote camping have highlighted the need so I'm keen for suggestions. A 12V system...

I solved the immediate problem by uninstalling the current version of DMSS and re installing an earlier version. This is what I wrote in another thread in April when I discovered the cause.... Consider re installing an earlier version of DMSS (I used apkpure.com). I recently found out that...

Small clarification..... the Event screen is not totally blank - the column headings are shown but no event lines are displayed. There are events that should be displayed and are displayed on the other laptop.

I bought the switch as in my previous post May 9th and can confirm that the setup now functions very well using my spare laptop as described. It does seem the router is not suited to processing CCTV data so best to bypass it with a network switch.

I run the same version of Smartpss on two laptops. Both laptops access the same NVR via WIFI. The Smartpss config settings on both laptops are identical. Smartpss on both laptops used to work correctly up until 2 days ago. At that time Smartpss on laptop B suddenly stopped working so I...

Thanks for the feedback. TonyR's HDMI KVM looks promising and yes, similar products are available in Australia, but I like the idea of using a spare laptop to access the network since that would save the cost of an extra monitor, mouse and cables. Starting with the laptop/network approach ...

In my home office I use a monitor and mouse connected directly to the NVR (a 4216-16P) to manage my CCTV system. It works well for my needs but I need to setup a second location about 10m away (in a separate room) to do the same thing. Can I somehow run a second monitor and second mouse in this...

Consider re installing an earlier version of DMSS (I used apkpure.com). I recently found out that Google Store automatically updates DMSS whenever there is a new version of DMSS and people report that some of these updates screw up your system. I immediately located and then disabled the auto...

I have the same concerns as you Barboots since my DMSS app has just started to stop me using it unless I agree to their invasive terms. I refuse to do so. I use OpenVPN and like you thought that only I could access my NVR. I have discovered that even when not connected via OpenVPN I get the push...

So can you suggest another app I can use on my 'phone to replace DMSS ? I have discovered the following: I must start OpenVPN and connect DMSS before I can get DMSS to commence receiving alerts (perfectly logical and acceptable), if I then close OpenVPN, alerts still get sent to my phone (not...

No, not to my knowledge, though I'm far from an expert. There is nothing in OpenVPN that I can see, unlike DMSS, that allows the Chinese government to demand via OpenVPN access to all my private information on my 'phone. If you know differently, I'd love to hear the details - and so would...

I use OpenVPN and DMSS on my Samsung android 'phone to remotely (and hopefully securely) view cameras and get intruder alerts via my Dahua 4216 NVR. This system has worked well since I installed it about 1 1/2 years ago. A few days ago DMSS opens but won't allow me to proceed past the home page...

To answer some questions... No, not a FIFO worker with expensive toys. Just someone who worked long and hard for what I have and not prepared to give anything up to a lazy piece of thieving trash without a fight. Yes I have an alarm system with battery backup. This sends me alerts on my mobile...

Thanks for the replies and good ideas. I have a backup generator (petrol/gasoline) that I use for a manual changeover in my current house. It backs up selected parts of the house and sounds very similar to yours TonyR. It's great but there is no auto start nor auto changeover and I have to...

Having trouble locating a <AU$1,000 UPS in Australia that can act as a 24hr backup for my Dahua NVR and cameras. I figure 24 hrs maintaining about 100W would address our infrequent but lengthy power outages. It seems UPSs are only designed to maintain power for a few minutes to allow controlled...

No. I didn't know there was an update. I will do though because I'd like to set up a laptop in the bedroom as a second "control room" so that I can monitor all cameras at night. At the moment if I hear an intrusion alarm at night I have to go downstairs into the office and use the NVR direct...

I use the Dahua DMSS app on my 'phone and it works well. My camera network is stand alone (modem with static IP) and I use OpenVPN to connect to my 'phone. On DMSS I use the "Multi-channel Alarm Subscription" plus "Intrusion Alarm" functions. Whenever someone or something goes into the intrusion...

Unfortunately the intrusion detection range is still pretty poor at night even when I move the IR spotlight further away from the target sheds to get a better spread. It picks me up when I'm directly in front of the IR spotlight but not otherwise. That leaves me three choices I think: (1) buy...

We have some improvement thanks wittaj. Switching ON the 3D-NR helped the image quality quite a bit and I changed other settings as follows: Brightness from 50 to 60 Contrast from 50 to 70 Shutter from 10 to 17 Gain from 80 to 70 I went for a walk and the intrusion alarm worked when I was lit up...

Thanks for the offer wittaj. Here's some screenshots of the night profile settings.... These are all from the camera GUI, not the NVR.

I'm having a lot of trouble getting this camera to set off an intrusion alarm at a 40m range at night. Daytime intrusion detection at this range, and further, works well. The onboard IR is supposed to be good for 50m (yes I know it is probably overstated). Even if I supplement this with a 18W...

Thanks tigerwillow1, you are correct so thanks for the tip. I must have had a blind episode not to see it. Lowering the shutter speed and fiddling with the gain improved the situation but not well enough. I'll buy an infrared spotlight to light up everything and hopefully that will enable the...

I use this camera to monitor some sheds about 50m away. I've zoomed in a little and set the intrusion zone around the perimeter. Daytime intrusion alarms work fine but at night there is too much ghosting of the image for the alarm to function. Bit rate is set at the highest (8192 for mainstream...

An update.... the firmware redo did not improve the CAM Offline issue. I did reduce the channel width from 40Mhz down to 20Mhz but it is unclear if that helped. For the first time in two months only one camera went offline today. It has always been both cameras. The last time the two cameras...

Yes I wondered if that was the case but that is for all cameras. Since only the two 4MP 5442 cams were going through the router to the NVR I guessed the router was only processing (2x4)/((2x4)+(8x6)+8)MP = 12.5% x 68Mbps = 8.5Mbps. The 8.5Mbps seems minimal to me but I'm far from an expert. Are...

Update.... the increased dBm power of the two Ubiquiti antennas did not fix the "CAM Offline Alarm" issue. Tomorrow I'll redo the firmware upgrade on the two 5442 cameras. The NVR/monitor GUI Camera List page shows the "Remaining Bandwidth / Total Bandwidth" as 100Mbps/168Mbps. The two 4MP...