PAL/NTSC Signal Format GPS Mobile DVR Mobile Digital Video Recorder 4 Channel

PAL/NTSC Signal Format GPS Mobile DVR Mobile Digital Video Recorder 4 Channel​

Visionmaster Products' Advantages :

1. Power failure protection.
2. Wide voltage (6-48V, Seldom other companies can achieve this function, other companies only can ac
hieve 8-36V).
3. OTA function support. (Upgrating DVR software automatically, better after-sales service for you.
4. A SMS can get DVR situation feedback from DVR
5. Industrial level design. (More professional and better quality.)
6. Modular design. (To prevent a module error while affecting the entire product.)
7. Encrypt video format. (To prevent data loss)
8. Current and voltage over protection.
9. Wide working temperature. (-25°C- +75°C).
10. Data redundancy technology. (To prevent data loss)
11. Excellent vibration protection.

• FAQ:

• Why devices don’t record when they start?

• 1. Please check whether the SD card interface of the front version of the device has an SDcard.

• 2. If the SD card exists, check the status of the storage disk in the system informationinterface:

• Status classification: non-existent, unformatted, normal capacity is not full, capacity isnormal, the disk is full

• Status description:

• a. Does not exist, the device does not detect the SD card, please check the SD card on thecomputer, or replace the SD card, replace the device to detect whether it is an SD cardproblem or a device problem

• b. Unformatted, please format the device in the device formatting interface. After theformat is completed, check whether the SD card capacity can be displayed normally.

• c. The capacity of the normal disk is not full, please check the recording mode setting tdetermine whether the recording conditions are met.

• d. The capacity of the normal disk is full, please check if the video overlay switch is turnedon.

• Why devices on vehicles often restart ?

• 1. Frequent restarts: the device repeatedly goes offline; the video is intermittent, notcontinuous

• 2. Causes frequent restarts:

• a. The vehicle is not powered stably. Please measure the input voltage of the device whenthere is a problem with the device. The probability that the device will restartfrequently due to this situation is more common in practical applications.

• b. The storage disk has failed. Format the storage disk or replace the storage disk whileretaining the data.

• c. Device software or hardware problem, please remove the storage device hard disk or Scard, if the device is powered normally, the device still restarts. Please inform thetechnical support personnel of the software version number and return to the factoryif necessary.

• Why we can’t see vehicle location while device is online?

• 1. Please check the set GPS upload interval on the platform

• 2. The GPS signal on the device can receive normal positioning information for the platform, so please check whether the GPS signal on the device is displayed normally.

• Why 3G dial not successfully?

• 1. View module status, dialing parameter settings

• 2. Check if the antenna is connected, 3G signal strength

• 3. Check the status of the SIM card, whether the SIM card has the Internet access function, ifyou need to make a call, you need to activate the voice function; and the chargingsituation, there is no arrears

• Why can’t connect back end server but device runs normally?

• 1. The 3G connection to the platform server must be successfully dialed by 3G. Pleaseconfirm that the 3G module has successfully dialed.

• 2. Check whether the server IP and port set on the device are correct, and report the ID forconflict.

• 3. Is the back end server running normally, is there any other vehicle online?

The calculation method of the video file size:

1 hour 1 image quality D1 resolution route file size: 3600 * 2048Kbps / 8 / 1024 = 900M

720P=1.32GB/Hour/Channel

1080P=2.25GB/Hour/Channel

Flow calculation:Bit rate X3600/8/1024=MB

384X3600/8/1024=168.75MB all the way one hour