Kilowatt

Thanks to read, I had a problem with the Defender's ClearVu app for my Android phone (Galaxy S4), most of the time when trying to playback a recording (remote playback) i simply had a blank screen. I had streaming since i could see the time indicator progressing, but no picture. More confusing, if i took a snapshot or a recording from the actual streaming, then i was able to see it back when going in the "image view" or "record playback" section of the interface. I was about to post here when a found a way to make it work. It's not a solution (i'm not a software engineer to rewrite them!) but very close: when trying to remotely playback a channel, just press the power button on your phone to put it on standby and then press again. For a reason i don't know the picture then appears as it should. Hope this may help you if having similar problems.

Hi thanks to read, This is an informative post for those just curious about power supply requirements and consumption. I'm almost finished to install my surveillance system based on the 21325 kit from Defender. The DVR model is the 21150 and the included four cameras bears the model #21320. I wish to have this system to be battery backed in case of power outage and found this kit to be well suited for such application. I was about to buy an expensive voltage stabilizer to power this kit to compensate for the dropping voltage when the battery bank is discharging (down to 10.5V, cut-off point of my 12V distribution system). I decided not to buy this stabilizer until i do some tests with a variable power supply. Well i received the kit this week and today i've made some tests... here's the results: 1st part- Low voltage operation: With all the cameras and the DVR (in normal record mode) connected to the same power source, my variable power supply, started from 13V and slowly got the voltage down to simulate a battery discharging (fast!) down to 11V. From there, i lowered the voltage in 0.1V steps allowing 5 minutes between each steps to monitor the behaviour of the DVR and cameras. The lower limit found is exactly the cut-off point of my 12V system, 10.5V. At that voltage, all the cameras were operating just fine. The DVR did fine for one minute and the HDD led then stopped flashing and then no recording, although i could still see the live cameras. A try to do a "record search" to retrieve some recordings gave me the message from the firmware "No HDD Found". One interesting thing to note is that when i resumed normal 12V voltage, 20 seconds after, the DVR rebooted itself and was back to record mode! By experimenting, found that the lowest voltage at wich the DVR remains stable without shuting down it's HDD is 10.6V. Now i know that battery backup is really a possibility with this kit. 2nd part- Consumption (@12V): Camera (each): 70mA in normal lighting 260mA in darkness (infrared lighting on). Note that 500mA is specified on the camera's label...probably when combined with the IR filter actuator that operates for a fraction of a second...yes. Overall this is really good news since i've bought the AGM batteries for my 12V distribution system according to the 500mA specifications. I will get more run time than i've planned wich is good. DVR unit: ramping up from 0 to 1.5A at power up (when the HDD is gaining speed) and then stabilize in the range of 630~660mA in normal record mode. Once again this is good since i've planned for 3X this consumption initially. If you consider acquiring a CCTV 960H battery backed surveillance system, i hope that this might be helpfull to you. Thanks again to read.

Hi thanks for your time, For a new installation of CCTV cameras, two of the four cameras will be used at the front of a garage separate from the house, and 2 X 175 feet cables will be used. 60 feet will run outside. According to what i have read, including here, surge suppression is mandatory for signal and power. Those SPD are ordered, should receive within a week or so. At the DVR end, this is what will be used: http://www.ditekcorp.com/product-details.asp?ProdKey=105 At the camera side, this will be used for each. http://www.ebay.ca/itm/FM-CCTV-System-Video-Power-Lighting-2-in-1-Surge-Protector-LRS02-2-12V-NEW-CA-3-/231591261061?pt=LH_DefaultDomain_2&hash=item35ebea3385#ht_10089wt_1366 My question are: 1- How to know with these devices if i am protected? I don't speak about quality of the device but about the status. On surge supressors used for 120V/220Vac power, there's a "protected" led that will go out if a surge occurs with such a magnitude that the diverted current will blow an internal fuse to cut power to the protected outlets. What about those for signals like 1Vpp 75ohm for CCTV...how it works ? I don't see myself replacing my surge supressors at every interval of time because the MOVs of TVS diodes "might" be innoperative (or not?) from the cumulative surges. 2- Does both the signal ground and center conductor contacts are protected by shunting to earth ground wire when a surge occurs? Can't find info about the protection structure of that either. Thanks in advance for your replies.

Hello everyone, Nice to meet you. I'm from Montreal, Québec. I've learned quite a few things from this forum, what a nice place to share knowledge. I decided to join the group to try to get information i couldn't find from previous post. I hope that in doing so this will raise interesting discussions and hence provide more knowledge to this community. Alain E. Montréal, Québec