Using a Denver AC-5000W with Windows (or OS X)

Some weeks ago, the Denver AC-5000W action camera’s where for sale for around € 50. So a lot cheaper than a GoPro and thus nice for testing. As it comes with a underwater housing up capable of withstanding water pressure up to 40m of depth, it’s useful with our scuba diving hobby without spending to much (one could always buy a GoPro later).

But this blog post is not about scuba diving or GoPro versus Denver, but about getting the stuff out of the camera (preferably by Wi-Fi without opening the case). The camera supports Wi-Fi by advertising itself as a Wi-Fi hotspot with a security key ‘1234567890’.

As either the Wi-Fi connection/feature or the mobile iOS/Android software is unstable (I was not able to download all photo’s with either of them and Android was way better in it then iOS), I wanted to know how to get the photos and videos off the camera using a PC.

First I though to disassemble the Android APK file but it proved a bit hard to download this file on a PC (I needed to enter my username/password and device code in a piece of unknown software). But it was not necessary to do this at all.

Then I just tried to connect with a browser to the gateway address (192.168.1.1) of the hotspot the Denver advertises (without luck). Normally this type of devices tend to expose a embedded webserver (like the average Wi-Fi router).

Ping this IP address however worked.

To be able to see a bit more of what goes on, I started with using telnet (so see if a connection was able at all). I tried ‘telnet 192.168.1.1 http’ so a webserver, again without luck. The second try was way better, ‘telnet 192.168.1.1 ftp’ because I got a nice welcome message and a prompt for a username.

Next was finding the username and password for this embedded ftp server. First I tried ‘admin’ and as password ‘1234567890’ assuming the programmers did not want to make it that hard. No luck.

Then with a little luck I tried good old ‘root’ as username and once again ‘12345679890’ as password and to my surprise I was in.

The camera shows a simple camera alike SD layout of a root folder DCIM with subdirectories for photos and videos and a additional one for events (no clue yet what that’s for, maybe it’s used for the feature to look at the live camera picture with a mobile device).

So the directory structure is a simple

DCIM  
  100EVENT
  100IMAGE
  100VIDEO

With a decent FTP client like FileZilla it’s very easy to transfer all photos and videos to a Windows PC or Apple Mac.

So just put the camera in Wi-Fi mode, connect to the ‘DENVER AC-5000W’ hotspot using ‘1234567890’ as security key.

Then setup a ftp connection to ‘192.168.1.1’ with a normal plain text username and password (‘root’ and ‘1234567890’) and start transferring your photos and videos.

Transfers run most smooth if you set your ftp client software to a single (one) transfer at a time.

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82 Responses to Using a Denver AC-5000W with Windows (or OS X)

  1. RvD says:

    Thanks for sharing. I am about to see if this camera can be hacked to change IP-adres or software it is running. This is a first good start 😉

    • MH says:

      @RvD can you keep us informed about you’re findings? I really want to know is there is a possibility to increase the standby-time.

    • Kalle says:

      Nice hack!
      Any success in hacking the device further? I’m interested in using it as a time laps camera…

      • wvdvegt says:

        Hi,

        Seems like the camera itself uses Picture Transport Protocol over IP (PTP-IP).
        I’m still looking for ways to intercept the communication between my IPad and the camera.
        Problem is off-course the camera acts like an access point and the IPad makes a direct & wireless connection to it. Any suggestions are welcome.

      • wvdvegt says:

        Hi,
        Forgot to mention, some sample code/session sample for PTP-IP would be nice too.

  2. RvD says:

    I have bought the camera. I am a bit short on time at the moment but will try in the x-mas holidays if i can install OpenWRT WEBUI onto the camera. My inspiration i get from http://forums.multicopterpilots.com/phantom-vision-plus-/363-install-openwrt-webui-repeater-p2v.html

  3. patrick says:

    Ik las ergens dat je van de AC-5000w ook een webcam kan maken.
    Kan alleen niet vinden waar. Weet iemand misschien een oplossing ??
    Voor de rest zeer tevreden over het resultaat.

    • RvD says:

      Als je de AC-5000W als webcam wilt gebruiken moet deze uitstaan, met een usbkabel verbonden zijn met de computer vervolgens de shutterknop indrukken en ingedrukt houden en de powerknop gedurende 3 seconden tot de piep tegelijkertijd indrukken. Op het venster verschijnt pcc. De drivers worden automatisch geïnstalleerd en je kunt de camera met microfoon gebruiken als webcam.

      If you want to use it as a webcam: Connect the camera via usb to the pc. Press the shutter button and keep it pressed while you power the camera on (press power button for 3 sec.).
      You will now see PCC in the display which means it is in webcam mode. Drivers will install automatically. PCU mode is normal “Flashdrive” mode.

  4. phase7fi says:

    Hi there. Does anyone of you know if the maximum video recording could be increased to continue to a second file after reaching the factory set max 29 minutes? I would want to film live concerts with these cameras, but they won’t record longer than 29minutes.

    Denver support told me that it is because of some new EU import rule.

    Would be awesome to find a crack/hack/tweak to the software and be able to film those gigs 😀

  5. Safari says:

    @phase7fi
    The camera just switches to the next file after 29 minutes, but i keeps recording, so you just have to sticth the files togther in some video editing sw.

    • phase7fi says:

      Thanks Safari and wvdvgt 🙂
      Unfortunately to me it seems that the cameras just stop recording after 29min and shut down. Only one file can be found on the SD card. :o???

      • JopieFixer says:

        Is this solved? Does it stop recording altogether or does it just automatically skip to the next file?

  6. wvdvegt says:

    I also think the 29 minutes video limit has to do with file size and file system limitations (probably a 2GB/file limit).

  7. nmd says:

    Did a portscan on the denver ac-5000w mk2 cam and found that port 21 and 554 is open..

    What is port 554 for.. service Connection??????

    • wvd_vegt says:

      Hi

      The port number is usually used by RTSP (Real Time Streaming Protocol). It’s probably used by the Ios and Android app to view live video and control the camera.

      From WikipediA:
      Real Time Streaming Protocol (RTSP) is a network control protocol designed for use in entertainment and communications systems to control streaming media servers. The protocol is used for establishing and controlling media sessions between end points.

      Btw thanks for finding this opened port (btw port 21 is for the FTP (File Transfer Protocol) so you can transfer pictures without connecting the camera to a USB port.

      • Tatu A says:

        Hi, this post was useful for me so here is something in return that I found from a packet capture log after buying the same model cam earlier today:
        111 18.410523 192.168.1.10 192.168.1.1 RTSP 203 OPTIONS rtsp://192.168.1.1/MJPG?W=640&H=360&Q=50&BR=3000000 RTSP/1.0

        Have fun 🙂

      • wvdvegt says:

        Hi

        Thanks a lot for this line (it’s a starter on the exact format of RTSP url’s needed). Do you have a complete session of RTSP traffic? I’m trying to read the protocol definition but need some more example traces. If I issue the command on my camera I get a 400 bad request.

        And how did you trace it? I cannot seem to get in between the device and the camera and an Android emulator running the software won’t connect as it cannot find the camera.

        [edit]
        Did some combining of your line with the Wikipedia entry on RTSP and the following code (if pasted into a telnet session started with Telnet 191.168.1.1 554):
        OPTIONS rtsp://192.168.1.1/MJPG?W=640&H=360&Q=50&BR=3000000 RTSP/1.0
        CSeq: 1
        Require: implicit-play
        Proxy-Require: gzipped-messages

        results in a 200 OK message
        [/edit]

        regards
        wvdvegt

      • Tatu A says:

        I just used a packet sniffer on a rooted android device to get a pcap file and then analyzed that in wireshark on my computer. The camera seems not to allow more than one device at a time to connect into its access point so intercepting the communications wasn’t as trivial as I’d initially thought it would be. That could probably be circumvented by say, using a DD-WRT or equivalent router to connect to it then using the ethernet ports but data capture on android was easier for me. No idea what the device would think of that though, I’ll probably test it tomorrow, I think I have a spare router somewhere. If not I’ll just use an Asus WL-330N and a switch.

        Something I found was that I also could just copypaste that rtsp line directly into VLC media player or even the video source plugin in Open Broadcaster software and get a video stream.
        I can send you a capture log but you should be able to get a RSTP one just by using VLC and wireshark on your PC. I’ll probably do a small writeup on the ordeal within a few days at my own site once I’ve come up with a couple more things I can hack this thing to do and include bits of a capture there too.

      • Daemon says:

        Interesting. Assuming below command is a trigger to start recording, could you record the same request for stopping and share it..? (Pretty please? 😉 )

  8. Just plug the camera with an USB cable to your PC/Mac and transfer the photos and videos to your hard disk.

    • wvdvegt says:

      Hi,

      I’m not looking for the photos (they can indeed be retrieceved by either putting the sd card to a pc/mac, plugging the device in on usb or by ftp (in which case you do not have to remove the device from its casing, something that can be desirable when using the denver during diving). Both android and ios app proved to be very unstable to me (they always crashed before downloading all).

      The problem with usb is that you cannot control the device like the ios/android app does (so take photo’s and create video).

      Regards
      wvdvegt

  9. Alfred says:

    I recently bought the denver 5000 but when I make a recording it over wrights the previous file on the SD card. So there is only one video file on the SD card. Does anyone now how I can solve this.
    Regards,
    Alfred

  10. jd says:

    i need to use it as a Wifi webcam on Windows, any idea ?

    • RvD says:

      If you want to use it as a webcam: Connect the camera via usb to the pc. Press the shutter button and keep it pressed while you power the camera on (press power button for 3 sec.).
      You will now see PCC in the display which means it is in webcam mode. Drivers will install automatically. PCU mode is normal “Flashdrive” mode.

      • wvdvegt says:

        Hi

        Interesting feature!

        I just had to connect the camera to a PC and power it on by pressing the power button for 3 seconds (after which it shows PCU on its display). Then I could just press the shutter button on the top of the camera to toggle between PCU and PCC mode.

        Skype directly sensed the camera and was able to use it and its microphone.

        Regards
        wvdvegt

  11. niklas says:

    Hi i got a DENVER AC-5000W MK2
    and rtsp://192.168.1.1/MJPG?W=1920&H=1080&Q=50&BR=3000000
    workt perfect

    but then i do a captuer in VLC and i get the low resulution so probobly its the same regardles off the numbers

    i 8mp to

  12. Dirk Klaverstijn says:

    Hi. I have a act-5030w. turning on wifi doesn’t make it visible on any device. there simply isn’t a ssid called “denver avt5030w” or something like that. When connected via USB to a PC there is a small partition(besides the sdcard) wich is empty(no hidden files…nothing). I have read somewhere that there should be a configuration file on that partition. I am not able to write a file to that small partition, just to test if it is possible. Could the missing conf.file be the cause of the missing ssid.
    Please share your thoughts.

    • RvD says:

      On the internal memory there should be a file called SSID_PW.CFG
      In this file you find the network name and password.

      See if you can find this file and open it with Wordpad to see its content. If this file is really missing you might have a problem. I think this file is really needed.

      What else you can do is to turn wifi on at the camera and then do a scan with your phone to see the available wifi networks.

      Don’t expect to find a network with the camera name. This firmware is used in different brands so you could see a network with a total different name (e.g. THEVUE or WOOW-F130 etc.)

      What all of them have in common is that the password is (almost) always 1234567890

      So just try connecting to the visible networks with the password 1234567890 and see if you can connect.

      If you can connect most likely this is your camera.

      If you cannot connect (don’t forget to turn your wifi on at the camera) and you don’t see that config file you better can take the camera back to the store.

      As far as i know you cannot write to this memory part, so cannot create the file yourself.

      Hope this helps.

      Good luck

      • Dirk says:

        Thanks for your answer. I have a new cam now. The config file is present now, so this file is really needed to make a visible ssid. The previous cam was probably flashed wrong. Thanks for your effort to help me.

  13. Dirk Klaverstijn says:

    I am sorry if my comment is a little offtopic, but you guys posting here seem smart enough to shed some light on this.

  14. RvD says:

    On the internal memory there should be a file called SSID_PW.CFG
    In this file you find the network name and password.

    See if you can find this file and open it with Wordpad to see its content. If this file is really missing you might have a problem. I think this file is really needed.

    What else you can do is to turn wifi on at the camera and then do a scan with your phone to see the available wifi networks.

    Don’t expect to find a network with the camera name. This firmware is used in different brands so you could see a network with a total different name (e.g. THEVUE or WOOW-F130 etc.)

    What all of them have in common is that the password is (almost) always 1234567890

    So just try connecting to the visible networks with the password 1234567890 and see if you can connect.

    If you can connect most likely this is your camera.

    If you cannot connect (don’t forget to turn your wifi on at the camera) and you don’t see that config file you better can take the camera back to the store.

    As far as i know you cannot write to this memory part, so cannot create the file yourself.

    Hope this helps.

    Good luck

    • wvdvegt says:

      Hi,

      My Denver AC-5000W shows up as two separate USB flash drives/devices, one containing the DCIM folder with images and videos and the other containing the SSID_PW.CFG file containing the text

      DENVER AC-5000W
      1234567890

    • Remcod says:

      Its is corrected that you cannot write a file to this disk in windows.
      when connected with putty on a telnet session you can transfer a file from the sd card to the protected disk.
      You can make so a file SSID_PW.CFG on the sd card and than copy it within the telnet session to the protected disk.
      Hope that this is understandable.
      Remco

      • Leonas says:

        Hy there. I know it is a little late but can you please explain me how i can change cfg file with putty step by step?

  15. harry says:

    Weet iemand met welk programma ik de files kan afspelen op de PC of op een tablet ?
    Ik heb wel beeld maar geen geluid . Soms een krakend geluidje .
    Ik heb de files rechtstreeks van de sd kaart gecopieeerd.

    With program can I view the files on my PC or tablet ?
    I get the movie but no sound. Sometimes cracking noise.
    I straight copied the files from the SD to the pc and laptop.

    • wvdvegt says:

      Did you record with the camera in the underwater housing? In that case the microphone in the camera does not get any sound to record, sound just does not pass the plastic casing.

      You can only record (good) sound when making recordings with the camera outside the underwater housing.

      • harry says:

        Thanks for the comment but I didn’t use the underwater housing.
        I tried some more and if I change the settings for the video from 60 to 30 it works.
        Don’t know what negative effect it will have for the quality

  16. RvD says:

    I use VLC (Videolan) as a mediaplayer. Works great.

  17. peter says:

    Hi
    Thit works also with a “Fake” SJ4000WIFI

  18. john says:

    hello how can I have a static address for ACT – 8030W .
    on this page you can find the firmaware http://www.denver-electronics.com/update-for-denver-act-8030w/ that copied RUFUS on usb you can view the file . the webcam with the ok button pressed after connected to the PC will not turn on , you do not install and you only see :
    USB \ vid_04fc & Pid_6350 & MI_00 \ & 5B94042 6 & 0 & 0000
    USB \ VID_04FC & PID_6350 & MI_00 \ & 5B94042 6 & 0 & 0001
    USB \ VID_04FC & PID_6350 & MI_00 \ & 5B94042 6 & 0 & 0005
    accept tips …..

  19. Remcod says:

    Hello,
    I am following this post for a time now and there are a lot of handy things in the comments.
    I have searched in the cam a bit with the following result:

    You can change the ssid and password with the file SSID_PW.CFG.
    To do this you must open a telnet session with putty. Press enter and the cam regonize you. Then enter the following commandline:
    copy b:/udf/ssid_pw.cfg d:/dcim/100video/ssid_pw.cfg
    The file ssid_pw.cfg is now on you sd card in the cam in the video directory. Connect with ftp or usb and change the content in the file. The first line is your ssid and the second line is your password for the wifi.
    Then save the file. Now connect again with telnet session with putty and enter the following command:
    copy d:/dcim/100video/ssid_pw.cfg b:/udf/ssid_pw.cfg
    Turn off your cam and backon. Enable the wifi and you will see your cam with the new ssid and your password has changed. The password is only for the wifi not the ftp.

    You can also connect more than one device with the cam and stream to them with the app or rtsp link.
    To do this open a telnet session with putty and enter the following command:
    copy b:/udf/HAPD0.CFG d:/dcim/100video/HAPD0.CFG
    The file HAPD0.CFG is now on you sd card in the cam in the video directory. Connect with ftp or usb and change the line at the bottom max_num_sta=1. You must change in this line the 1 to 2 or 3 appending on how much devices you want to connect at the same time.
    Then save the file. Now connect again with telnet session with putty and enter the following command:
    copy d:/dcim/100video/HAPD0.CFG b:/udf/HAPD0.CFG
    Turn off your cam and backon.

    But I have more. There is also a: disk in the cam. On this disk is all the files of the os of the cam.
    So we have in totaal the following disks:
    A: OS cam
    B: Config files
    D: Your sd card
    I have maked a file structure of the cam for the ones who are intressed in it:
    a:
    ——–adf
    ——–adf.bin
    ——–ro_res
    ——–aealg.bin
    ——–aecfg.bin
    ——–afecmd.bin
    ——–awbcfg.bin
    ——–awbctt.bin
    ——–awbfilt.bin
    ——–ciqver.dat
    ——–iq.bin
    ——–uidata.bin
    ——–usbstr.txt
    ——–usbuvc.bin
    —————-6330
    ——–bpstill.bin
    ——–bpview.bin
    ——–btnadc.bin
    ——–datstamp.sfv
    ——–fwxdn16.bin
    —————-calib
    ——–cold.bin
    —————-disp
    ——–disp.bin
    —————-ftrack
    ——–ftrack.bin
    —————-iq
    ——–appiq.bin
    ——–ciq.bin
    ——–lensiq.bin
    ——–lsc.bin
    ——–lschd.bin
    ——–lscvga.bin
    —————-ui
    ——–font
    ——–datstamp.sfn
    ——–fonteng.sfn
    ——–schfont.sfn
    ——–tchfont.sfn
    ——–icon
    ——–dizoom.sfn
    ——–dlgoptbt.sfn
    ——–dlgoptct.sfn
    ——–dlgopttp.sfn
    ——–dlgtitll.sfn
    ——–focus.sfn
    ——–icon56.sfn
    ——–icontk.sfn
    ——–icon_t~1.sfn
    ——–icon_t~2.sfn
    ——–mudt.sfn
    ——–musibar.sfn
    ——–muslbar.sfn
    ——–musub2.sfn
    ——–musub3.sfn
    ——–musub4.sfn
    ——–musubsc.sfn
    ——–pb.sfn
    ——–smu2bar.sfn
    ——–sscr.sfn
    ——–volbar.sfn
    ——–volbarhl.sfn
    ——–volubar.sfn
    ——–warn.sfn
    ——–warnbg2.sfn
    ——–warnicon.sfn
    ——–jpg
    ——–bgface.jpg
    ——–scrblack.jpg
    ——–sst
    ——–str5ktk.sst
    ——–tpolstr.sst
    —————-wav
    ——–alc.txt
    ——–audio.bin

    b:
    ——–udf
    ——–apmode.cfg
    ——–hapd0.cfg
    ——–ssid.cfg
    ——–ssid_pw.cfg
    ——–udf.bin
    ——–user_res
    ——–res_jpg

    d:
    ——–dcim
    ——–100event
    ——–nothing
    ——–100image
    ——–photos
    ——–100video
    ——–videos
    ——–misc
    ——–dropbo~1.dev
    ——–system~1
    ——–indexe~1

    The files and folders with ~ are temp folders and are generated when the cam is being turned on.
    Hope you guys have something with this.
    Remcod

    Sorry for the bad english it is not my main language because I am from the Netherlands.

    • Stefan says:

      Hi Remcod,
      Do you know if any of the built-in commands can re-format the microSD card ?
      I have a problem with overwriting of the video, so there can only be one video at the time present. Every time I record a new video, the existing one is overwritten…
      Regards,
      Stefan

      • Remcod says:

        Hi Stefan,

        I have looked at the commands that are available when I login with a telnet session. I can’t find it or have not finded yet.
        If you make a telnet session and you type help you will see all available commands.
        I have also discoverd when you enter a 64gb microsd card it will be formated to 32 gb. Even windows sees the other 32 not any more. You must use diskpart to restore the card to 64 gb.
        So it looks when you enter a clean raw card in the system it will be auto formated for you. You can try this for your card maby it helps…

        Regards,
        Remcod

    • Arjan says:

      Hoe kom ik dan n die mappen ?
      Ik wil nl kijken of ik de opnametijd kan wijzigen.

      • Remcod says:

        je kan hier in komen met het commando
        cd
        geef achter dit commande de locatie op en dan enter.
        voorbeeld:
        cd b:/udf enter
        je kan de inhoud van de locatie zien met het commando dir.
        Hopelijk heb je hier wat aan.

    • arjan says:

      hoi remcod,

      hoe krijg ik uberhaubt toegang tot die mapstructuur ?

      groeten,

      arjan

  20. nmd says:

    Tested the cam with wifi on

    Tested to connect to a telnet session with putty on port 23. Only get connection refused on my AC5000 MK2. So no service there.. -tested putty on port 21 with raw/telnet and then i get connected to the iCatch FTP server.. but i can not access any of the config files there, just the SD card.

  21. hea says:

    Something appears to have changed, as it is not possible to make a connection with either Putty or the Windows-telnet-client. I didn’t check it now but the IP adress may have changed.

  22. Thomas Storm says:

    Has anyone been able to use Denver Action Cam 5030w as a webbcam over wifi-connection?
    If so,how?

  23. jasperph says:

    hoi ik heb een probleem mijn camera gaat aan en na ong 2 minuten gaat hij automatisch uit
    iemand een oplossing

    hello i have a problem whit my camera it goes on and after about 2 minutes it goes automatically off any solutions?

  24. Johan says:

    I managed to change the SSID and password as described above. Then I restarted the camera and the new SSID was there. But when I try to connect to it I get the message “a WEP2 password is required”. Since I have a copy of the file ssid_pw.cfg I can check what I wrote on the second line so I know i didn’t do a misstake.
    The new password was like “abc1234abc”. Is there a problem with that format?
    Need help, please.

  25. Tim says:

    Great post, this has been very helpful.

    I have the Denver ACT-8030W. I noticed that the FTP login is different from the one described in this post:

    Login: admin
    Password: admin

  26. IPTimelapse Windows software will connect to your GoPro 4, snap a picture, archive, send the photo to an FTP server and make timelapse. See IPTimelapse.com.

    -Mike

  27. wvdvegt says:

    Telnet reveals quite some commands (btw bye is the command to disconnect):

    cmd>help

    ad addrdump bayeroff cd
    cdsp cdspinfo cdspload cdsplut
    cdspreg cdspsmear cdspsnap chkdsk
    clear clocktree cls copy
    custom dbwm del dir
    dispclk dispcmen dispcmset dly
    dramdmachk dramtest dump edgechk
    fill fmt gpiomuxset gpioswapset
    help htmrd htmre htmrs
    hwver info io iocfg
    iodir ldsysinfo ls memlock
    memmisc mkdir msg net
    os osd osdbuf osdpal
    pbyuv proc prof pvbuf
    pvraw pvyuv pwm pwmcfg
    r read regdump ren
    reportsize reporty rmdir rr
    rtcg rtcreg rtcs rtct
    savepv sdhc sdtest search
    usage ver verify w
    wdog write

  28. wvdvegt says:

    Can anyone capture the network traffic when the take picture button is pressed in SYMAGIX app?

    I’m trying to get C# PTP-IP code running vut documentation and examples are sparse.

    Current I can connect to the Denver cam (both cmd/event channel) and take a single photo after which I need to reconnect for a next one.

    • Inviscid says:

      I used this app to capture the network traffic from my phone: https://play.google.com/store/apps/details?id=jp.co.taosoftware.android.packetcapture. It seemed to work about 75% of the time if I started things (network app/wifi/camera app) in the right order. Using the info from that, I was also able to make a picture but had the same problem.

      Note that I got two messages from the camera after taking a photo: one ‘capture complete’ and one ‘object created’. The last one indicates a photo-file-object has been made, but I’m not sure if it means it is already saved to SD, or is waiting for some kind of “save” command and ignoring capture requests until then. If that is the case, the phone would save the photo anyway when losing the connection, which makes sense as a fail-safe.

      I don’t have the time or interest to look much more into this atm, but if you find a solution I’d like to hear.

      A side note: my phone is constantly sending 0x9601 command requests and getting 0xa601 response-codes from the camera. Not sure what that’s about.

      • wvdvegt says:

        Hi,

        Can you share the network traces? I tried to control the camera from C# (based on PTP-IP documentation & libraries I found) but I’m only able to connect using PTP-IP, enumerate the options of the camera and take a single picture and do not see the capture complete/object created packets (so I’m close but still do something not quite right). After the image I have to reset the camera.

        Best Regards

  29. Perry says:

    Some observations:
    I own a Denver AC5000W. I think it works as follows
    AC stands for ActionCam, 5000 is a sensorsize specification or megapix and W stands for wifi.
    This was the first model Denver bought and marketed. Other models followed.

    First the simple thing: Yes, it can also be used as a dash-cam. People asked what the lcd indication CAA or CRR was: it stands for CAR. When the camera is powered on via microUSB, it goes into dashcam-mode, and the video-capture is standard upside down.
    Recording starts when pressing the shutter-button.
    This is the reason there is a 100CARDV directory in DCIM. (car-dv, get it? 😉
    I did not test if it is a “revolving”recording, and if it records more than the limit for standard videos.
    I assume is does, why else have a dashcam-mode…

    Then:
    Via the camera is another menu available. This is a setting for calibration and other parameters.
    I discovered the menu when i had the ac5000w linked to a monitor, and started the camera with the WiFi button pressed and the power button pressed. Keep it pressed until it powers on and wait a bit longer. The lcd shows — and the menu itself appears on the monitor.
    My camera has VER:01.00.12
    and the menu is:
    CAIIB info
    OB CLBT
    M_SHUTTER
    ISO CLBT (LV11)
    Diff ISO OB CLBT
    WB CLBT
    FOCUS
    FLASH
    View DPC
    Capture DPC
    BATTERY
    +CAM CONFIG
    +TEST BENCH
    USB ISP
    Stand_alone Lsc
    PV OB Cal
    VIDEO REC LOG
    DigitalZoom

    For each item the option is no, and some items can be set to yes.
    I think all the CLBT menus are for calibration. I have seen similar specs on a maintenance manual of a BENQcamera.
    I would not be surprised if the cam’s with an lcd on the back have the output on the camerascreen.
    To scroll thru the menu on the 5000W you have to use the remote control. The Snap and Video are forward and back. The power-off is changing or setting the option. Note: on many options one needs to specify other things, and there is not option to do so in this camera. The menu gives the set and back option. I found no button-combination to operate this. Be careful to set something in this menu, because i screwed up my sensor. I have a purple haze, from an image, most likely from a grayscale calibration and my sensor is now very sensitive. In standard light it is overexposing. I think WB is whitebalance. Would stand-alone Lsc be a stand alone surveillance camera mode?
    Looking at Remco’s description it might be that the calibration parameters are in one or more .bin elements. (Ik probeer daar later nog in te kijken, Remco…)
    Anyway, i asked Denver if they have a tool to reset to standards.
    I think i all boils down some software to control the Icatchtek spca6330.
    Hope to find something that helps, maybe i’ll ask a ac5000W owner to send me the files he has on his device.
    And for those who want to know what the camera looks like on the inside:
    Have a look at: https://fccid.io/YGB-WDV5000
    Veerry interesting. Look for instance at the instruction manual and you learn how to use your cam on a TV or a monitor.
    And another tip: If you record with your camera, you can power it also with a micro-usb power supply. At that moment you can even remove the battery.

  30. Stevedee78 says:

    Can you give me again explain the dashcam mode? My shots are all overhead.

  31. rikkertkoppes says:

    Denver ACT-5040W

    This seems to become the de facto source for hacking into Denver cams, so here is my input

    Got a denver 5040W today. My first results:
    – ftp server works as above, connect wifi, ftp to 192.168.1.1, login with the default root user and password 1234567890
    – access to the rtsp stream works as described above, you can open rtsp://192.168.1.1/MJPG?W=640&H=360&Q=50&BR=3000000 in vlc for example
    – webcam mode (by pressing shutter and power for three seconds or toggling mode with the shutter when connected with usb) does NOT seem to work.
    – also, less luck with playing with telnet, I do get in, but seem unable to execute any file system command. This may also very well be my lack of telnet knowledge. Help shows a bunch of commands that are note very helpful:

    close close current connection
    logout forcibly logout remote user and close the connection
    display display operating parameters
    mode try to enter line or character mode (‘mode ?’ for more)
    open connect to a site
    quit exit telnet
    send transmit special characters (‘send ?’ for more)
    set set operating parameters (‘set ?’ for more)
    unset unset operating parameters (‘unset ?’ for more)
    status print status information
    toggle toggle operating parameters (‘toggle ?’ for more)
    slc set treatment of special characters

    z suspend telnet
    environ change environment variables (‘environ ?’ for more)

    • wvdvegt says:

      For webcam mode, start for instance Skype and it will detect the camera.

      The Telnet commands are still a mystery. Some work, other just seem to stop the camera from operating until you pull the battery pack.

      Finally I cannot get the PTP-IP to work properly (I can now sometimes trigger the capture of a single photo by C# code but that’s it).

  32. wvdv says:

    Hi,
    You’re right. The problem is however the same, lack of proper documentation.

  33. PHdJ says:

    Did somebody manage to get the 29 minutes limitation removed?
    And when so, how to get that done?

    Dang, I feel like I have been fooled by this limitation, sale specs don’t mention that, but they do mention recording times (battery life based) which are -much- longer than 29 minutes (24 minutes in real life though), so what’s the use in mentioning these times then? 😦
    Limitations based on EU law? Really?! Can’t imagine that, my iPhone also records longer so what is the real reason then?

    • JopieFixer says:

      I’ve spent all day on the net yesterday and I think its safe to say it is not possible to bypass the 29 min limit. It’s an new EU import law that has something to do with overheating sensors or something.
      Strangely enough the GoPro’s do not have this limitation.

      I solved it by looking into other cams and found the Xiaomi Yi Sports Cam, a very affordable and interesting cam with a lot of hacking possibilities. Look on the net for reviews, info and hacks.

      Good luck.

  34. freakaleo says:

    is anyone who can help me with this camera?

  35. Rudolf says:

    Friends, do you think it is possible to make recorded sound louder in the cam?
    If yes, do you know how? Perhaps changing some settings in the cam files??? I don’t know.
    I don’t like the sound, even without the underwater box.

  36. Henry says:

    Hello all,
    I have a Denver ACT8030W. My main concern is the lack of exposure lock.
    I just found out that using the POWER button and OK button at the same time (when power on) for many seconds locks the auto exposure. Great! But unfortunately the camera locks itself and you cannot record with this setting. Reset by taking the battery out. Let you know if Denver answers my question about any exposure settings.

  37. JopieFixer says:

    Hi, I’m looking into buying some DENVER AC-5000WMK2’s for recording the video of music studio sessions, but I read on several sources on the web and in the manual the maximum sequence length is 29 minutes. But does it stop recording alyogether after 29 minutes or does it automatically continue to the next file until stop button is pressed?

    Thanks in advance for clearing this up.

  38. j1254 says:

    I Think this is icatch platform,
    If YES
    You can download sbc app,
    or Use UART to Try some Cmd

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