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Any comment about ? Thank you.

Hi, Is it possible to connect a HDCVI Camera (like Dahua HAC-HFW1200R) into a Dahua DVR0804HF-U analog DVR ? Thanks for help. Best regards.

Actually I have only analog cameras since about 7 years and maybee I will upgrade to a Dahua XVR and buy HDCVI Cameras to use with my existing installation cables. Which Dahua XVR 16 channels can replace my old Dahua DVR0804HF-U ? (I'd like to have possibility to add IP camera and also PTZ in the future.) What will be a good deal ?

yes sure, I don't whant to buy another unit for the moment. Maybee, later I can move to a XVR, but for the moment it's not my priority.

ok. Many many Thanks ! Have a nice week-end. Best regards

Hi thanks for quick reply. Yes, I'm using it since many years ago and this unit working very well. Now, I'd like to change my old Cameras because it's 420 TVL... I'm not a "King" on CCTV System... I try to add the better analog Camera and not sure which one will be the good one because I can find I lot of possibility (for example on Ebay) but specification from seller are often Comic I think... What's the maximum Resolution compatible with this DVR on Analog input ? 700 TVL ? 800 TVL ? 1000 TVL ? I fund 2 Mp Camera but on CCTV Analog it's not possible 2 Mp or ?? Many thanks for help. Best regards

Hi, I tried to update the firmware but I have the error message " Open file failed! " The file on the USB key is: DH_DVRxx04HF-X-E(V2.0)_Eng_P_V3.200.0003.4.R.20170816.bin Why it doesn't work ? Any idea ? Thank you.

Hi, Nobody can help me please ? Regards

Hi, Is it possible to use a Dahua SD22204T-GN IP Camera on a DVR0804HF-U ? Or this Camera is only a stand alone Camera ? Is it possible to connect on the DVR with dDMSS Lite and use PTZ command for this IP Camera ? Thanks for your help. Best regards

Hi, thanks for reply. And the Dahua DH-SD42212T-HN is working also with this DVR ? Manx thanks. best regards

Hi, I tried to update the firmare dut I have the error message " Open file failed! " The file on the USB key is: DH_DVRxx04HF-X-E(V2.0)_Eng_P_V3.200.0003.4.R.20170816.bin Why it doesn't work ? Any idea ? Thank you.

Hi, What's the difference between these 2 Firmware ? DH_DVRxx04HF-X-E(V2.0)_Eng_P_V3.200.0003.4.R.20170816 and DH_DVRxx04HF-X-E(V2.0)_Eng_N_V3.200.0003.4.R.20170816 Sound'like the same, only one letter change ! P and N ??!?!!? My DVR run actually with System 2.608.000.0 Built date 11-08-2011 Web 2.1.7.29 My DVR work great, but I need upgrade it with new Firmware ? Thanks for your help. Best regards

Hi, I'd like to do a remote view with my Iphone ans my Dahua DVR. I downloaded de iDMSS software and made setup. Unfortunately, I can view only 1 Camera. For the second one, I have a message "The account is already in use" ??? In the DVR setup, "Max Connection = 10" If i'm loggeg with my Desktop PC on DVR configuration, I can't view CAM on Iphone (same error message) Where is the problem ?? Any idea ? Thanks for your help. Regards.

Thank you ! best regards.

Hi, What's the difference between these 2 Firmware ? DH_DVRxx04HF-X-E(V2.0)_Eng_P_V3.200.0003.4.R.20170816 and DH_DVRxx04HF-X-E(V2.0)_Eng_N_V3.200.0003.4.R.20170816 My DVR run actually with System 2.608.000.0 Built date 11-08-2011 Web 2.1.7.29 My DVR work great, but I need upgrade it with new Firmware ? Thanks for your help. Best regards

Hi, I don't fund a solution for my Problem. Sorry, I can't help you

Hi, I have Audio Problems with my Dahua DVR: I tried to add an external microphone with the CAM1 on my Dahua DVR. I undersand that 4 RCA input on back panel are for Channel 1 to 4 and for 5 to 8 (or to 16) the connection is thru DB25 connector. I try to check the box "Audio/Video" on the "System Config, Encode"" for the Channel 1. (This box is unchecked for all other channels) I can't hear any audio on the "Channel 1" RCA ! Just a small sound on Channel 4 RCA connector ! I tried to connect the MIC to RCA 1 to 4 and I can only listening to a small audio sound when the MIC is on the RCA channel 4 attached ! The mic is a small "Surveillance RCA CCTV Mic Microphone Sound Monitor CCTV Sound pick-up Camera " like this one: http://www.ebay.com/itm/NEW-Mini-Spy-Hidden-CCTV-Microphone-for-Surveillance-DVR-System-Output-Audio-TK-/201496379321?hash=item2eea1ebfb9:g:O3IAAOSw0vBUbYU8 My questions: - Are this sort of microphone a joke or usable to hear audio on DVR ? - If I check the channel 1 "Audio/Video" box on the DVR, I can only hear the microphone sound attached on the channel 1 RCA connector ? (I f I check the Channel 2 is only RCA Channel 2, etc.) - Where can I find pinout for this DB25 connector. Anybody have this pinout ?? (nothing on the manual) Many thanks for your help. Regards.

Hi, Many thanks for replies and suggestion. My DVR is a Dahua DVR0804HF-U DVR. Yes the mic is powered and directly attached back to the DVR to make sound check. I will try again this week-end. Best regards

Hi, I also have Audio Problems with my Dahua DVR: I tried to add an external microphone with the CAM1 on my Dahua DVR. I undersand that 4 RCA input on back panel are for Channel 1 to 4 and for 5 to 8 (or to 16) the connection is thru DB25 connector. I try to check the box "Audio/Video" on the "System Config, Encode"" for the Channel 1. (This box is unchecked for all other channels) I can't hear any audio on the "Channel 1" RCA ! Just a small sound on Channel 4 RCA connector ! I tried to connect the MIC to RCA 1 to 4 and I can only listening to a small audio sound when the MIC is on the RCA channel 4 attached ! The mic is a small "Surveillance RCA CCTV Mic Microphone Sound Monitor CCTV Sound pick-up Camera " like this one: http://www.ebay.com/itm/Surveillance-RCA-CCTV-Mic-Microphone-Sound-Monitor-CCTV-Sound-pick-up-Camera-/281676080029?hash=item419533e39d:g:XqwAAOxyw3NTlxmK My questions: - Are this sort of microphone a joke or usable to hear audio on DVR ? - If I check the channel 1 "Audio/Video" box on the DVR, I can only hear the microphone sound attached on the channel 1 RCA connector ? (I f I check the Channel 2 is only RCA Channel 2, etc.) - Where can I find pinout for this DB25 connector. Anybody have this pinout ?? (nothing on the manual) Many thanks for your help. Regards.

Hi ! I'm new here. I search over the Net about resolution. Now I understand nothing more about D1 / HD1 / CIF..... A big mixing in my head Some website or DVR Specification say for PAL, resolution is: for D1 720 x 576 pixels, while another say 4CIF = D1 = 704 x 576 pixels !!! for HD1 = 2CIF = 704 x 288 pixels, while another say HD1: 352 x 576 pixels !!! What is right reference ???? - D1 : 720 x 576 pixels - 4CIF / D1 : 704 x 576 pixels - 2CIF / HD1 : 704 x 288 pixels - HD1: 352 x 576 (HD1 = Half D1) - DCIF : 528 x 384 pixels - CIF : 352 x 288 pixels - QCIF : 176 x 144 pixels Is 4CIF = D1 ??? Is 2CIF = HD1 ??? Now what is wrong ?? Thanks for comments ! Best regards. S

Hi, Nice to meet you. I just fund your nice forum. Verry intersesting. I want to buy a DVR and find these model: G4-XLAHD and QV-PRO H.264. I want to know wath is the manufacturer ?? Any help please ?? Thanks and best regards.

Hum... sorry, I need to wake-up now !! Yes it's working well now.. " title="Applause" /> Sorry.. Thanks.

Account is OK now, but always the same problem: only 1 CAM viewable.

Hi Rory, Thanks for reply. I try this one, but bad news: I have this message: "Prompt, window 1, user has logged in !" why ?

Hi, I cant access on my DVR at home and remotely (dyndns) with a Raysharp D9216. With Iphone and Aplayer software it's working fine but this is the only one access to view dvr frame. Always "Login fail" Router is a Netopia (Motorola) 7352-84 (same command menu as 3347, 3357 ....) I do that, but nothing change: http://portforward.com/english/routers/port_forwarding/Netopia/3347NWGv2/Dahua_DH-DVR1604LE-A.htm You can download D9216 Manual is here: http://www.perriard.com/D9216.pdf I made port forward on my Netopia Router: TCP: 80-80-80 TCP: 9000-9000-9000 UDP: 9001-9001-9001 to 192.168.0.150 (DVR fixed IP-address) (made same for 9000 and 9001 port) What is wrong ? Thanks for your help.