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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.

I try to update to 100724, but alway have error: " No thumb drive! ". I copy the file on 1 Gb USB stick, like x:\dvrupgrade\AL9216_T091028T090604T100724T100724.sw or x:\AL9216_T091028T090604T100724T100724.sw or x:\dvrupgrade\AL9216_T091028T090604T100724T100724.sw and x:\AL9216_T091028T090604T100724T100724.sw But always the same error ! " No thumb drive! " USB Stick is OK because I can format it with the DVR.... grrrrrrrrrrrrrrrrr. Any idea ? Thanks

Was your DVR a Q-See to begin with or a None Branded one like mine? The only reason why I'm asking that is because yours had the v100128 which is listed on the Q-See Support Site but mine is v100806 and I don't see that in the list Hi ! Mine is V1.0-V091118. What is the most recent ?? With my DVR, I can't view with Iphone and also direct with my PC. Hope this firmware corect this bug ?? regards.

Hi. Anybody have info about Dahua DH-DVR0804HE-T-4H ? (It's a 4/8/16 channel analog and 4 channel IP... Full D1) It's a good DVR ? I have now a raysharp D9216 and it's a big **** This one was my first DVR and I'd like now upgrade with a better one. (With D1...) Comments are welcome. Thanks and best regards

Hi. I'm PAL, but all DVR are NTSC/PAL switchable no ?? regards

Hi, I have the same one. It's a Raysharp D9216 (also sell as Jetview) Basic DVR with 16x CIF basic resolution. Look also my question about: viewtopic.php?f=4&t=27312&hilit=d9216 Thanks and best regards

Dahua DH-DVR0404/0804/1604HE-T pdf manual say: Recording Encoding Speed: Main Stream: D1/HD1/2CIF/CIF(1~25/30fps) Extra Stream: CIF/QCIF(1~25/30fps) Only 1 stream (main Stream) is 25/30fps ? and how much are other ones ?

How to buy this Dahua DH-DVR0804HE-T-4H ?? I find nothing ? Thanks

Any idea ??

Hi. try this http://192.168.0.150:9000 It doen't work. But now, In DVR, I swiched "OFF" the DDNS Feature and I can view CAM via LAN Local or via dyndns.org website. But With Iphone and Aplayer software, access is dead. If I switch DDNS to ON, then Iphone is OK but LAN or via dyndns.org access is dead. It's Iphone access or LAN/dydns.org access, but not both... I's like to view locally with my LAN at home, and remotely with Iphone. It's normal no ???

direct into browser.

I call http://192.168.0.150 and choise "Local" in the login window.

and I also try my ports 80 - 9000 and 9001 on canyouseeme.org. My provider don't block these ports.

Hi, thanks for reply. At home I don't use DDNS, I call directly the 192.168.0.150 and have the "Login Failed !! " message. "also in your server list you have made a mistake DVR2 should have the same ip as the rest." DVR2 have the same IP, but it dosn't work

Thanks for nice comments Dan, It's right, per channel flexibility is an important specification. And thanks Rory for the new table with all resolution values. Is it somewhere a site where we can enter desired characteristics and who it sorts out DVR results with some name and models ?

Hi !! Thanks for nice comments. So - 2CIF = HD1 (= 4CIF/2 or D1/2) and it's egal to 704 x 288 pixels or 352 x 576 pixels can also be true ?? Now I need a find good DVR at affordable price... to many possibility... Hard choice.. My first Raysharp D9216 was a wrong choice for first experience... Best regards, Seb

Hi. Thanks for comment. Yes, also NTSC... and NTSC values are welcome too ! Thanks. Best regards, Seb