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8. Q: Do your Mobile DVRs support 64GB/128GB/256GB of SDXC card?
A: Yes, the DVRs support up to 256GB SD card.
9. Q: When the disk is installed in the DVR for recording, live images or
played-back video will come to a frequent stop.
A: Please make sure the SD card’s writing speed is sufficient. Class 10 SD Card is
recommended.
10. Q: Does the internal real time clock maintained by battery? If so, how
long will it last?
A: One rechargeable battery is used for the internal real time clock. If the battery is
fully charged and DVR is completely disconnected from the power supply, internal real
time clock will last for about 1 month.
11. Q: What do the 6 indicator lights on the panel of the DVR tell?
A: Please check “2.1 front panel” on this manual.
12. Q: What kind of player (playback software) should be used to play the
videos on PC? Why sometimes the videos are not played normally?
A: The video files is in standard AVI format. The video stream compression standard
is senior H. 264/H.265.
1. We have our own playback software named hPlayer. It’s with some additional
functions, such as playing continuously, GPS map, fast forward, quick file search, etc.
2. If a file is not encrypted, it can also be played back on third party player, such as
VLC (version 1.0.0 or above. It’s free open source software, and can be downloaded
from the internet), Media Player Classic (version 2009 Build: 3.9. or above).
3. For a file is encrypted, it would have to be played on hPlayer provided by us.
13. Q: How to upgrade the firmware?
A: 1.Copy the update package (Suffix ".tar" file) to the root directory of SD card (or
USB disk). Important note: Do NOT try to unzip the “.tar” file.
2. Insert a SD card (or USB disk) into DVR, after the DVR finds the disk, go to the
menu system and choose “system upgrade” to implement the firmware upgrade.
14. Q: Does your DVR have RS485 control PTZ functions?
A: Since there is not so much vehicle application required for PTZ control, factory
default is without RS485. If you do need PTZ control function, please contact sales
when placing an order.
15. Q: I bought the mobile DVR with PTZ control function, but it has no
response after PTZ connecting.
A: If the DVR is confirmed to have PTZ control function, you may test as per the
instructions given below:
1, Exchange the two lines of 485A and 485B, to see if they were connected in the
