Hard Disk Mobile DVR User Manual V2.2
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take video when it is not within the video recording time period.
3.Check the SD card inserting status and whether the SD light on front panel is on or not.
Q: The video file is missing or there is no video file within a certain period of time, how to do?
A: 1. Determine the time period by analyzing the final video file before missing and the first video
file after recovery.
2. Confirm whether the host is not on during that period of time, such as when the driver halfway
parking, loading and unloading goods while the host is not set by video delay.
Q: When car PTZ cannot be controlled, it cannot rotate up and down, how to do?
A: Check whether PTZ protocols and baud rate are set correct, address codes are corresponding or
not, whether have selected to maximize the video of the channel when control the PTZ, for example,
when control the second channel, it must maximize the screen of the second channel image to control
it.
GPS-related issues
Q: GPS module exists but no coordinate information?
A: 1.Check whether GPS module exists, if it does not exist, check whether the hardware is installed or
in a good contact.
2.Make sure that the GPS antenna contacts are good, whether the antenna is broken, it is
recommended to be located in places with strong signal, note that some car glass shielding film will
block GPS signals.
3 If the test is in the room, the signal of GPS antenna in the room will be obscured, it is recommended
that the GPS antenna is placed outdoor.
Q: Deviation of GPS location on map?
A: It means the signal is valid if the GPS module already positioned, there may many reasons for the
deviation, such as government restrictions, permissible error, GPS signal interruption, etc. the actual
satellite map may have deviation for security reasons, general map can solve the problem by using
GPS correction.
3G wireless module
Q: If use the 3G/4G wireless module for dial-up, what do I need to pay attention to?
A: 1. Choose the built-in wireless module WCDMA / EVDO / TD-SCDMA / FDD-LTE/TDD-LTE,
corresponding module settings are not the same, the modules supported by different machines models
are not the same, so please make sure whether your module and SIM is in correspondence. Do not
use EVDO SIM card on WCDMA machine.
2.Check whether the settings of Server IP and port are correct, whether 3G/4G signal is strong enough
for dialing, and then check whether the 3G/4G dial-up is successful or not.
3. When dialing is unsuccessful, please check 3G/4G antenna is in good contact or not, the dial up
may fail because of weak signal, moreover, please check whether the SIM card has enough traffic, if
no traffic, dial-up will be unsuccessful.
Q: When 3G/4G has neither report nor video , what should be done first?
A: Press INFO key to enter the system information page, check whether the SIM card exists and view
the signal strength as well as dial-up status, whether the antenna is in good contact, and then check
the SIM to see whether it is out of traffic, the most basic judgment is to replace the SIM card. If the dial
up failed with signal, then check whether the settings of center number and the port are correct.
Moreover check whether the device number of the product is already occupied.
Q: 3G/4G signal is intermittent, video is jammed?
A: At present the signal coverage of WCDMA / EVDO / TD-SCDMA / FDD-LTE/TDD-LTE is rather wide,
Summary of Contents for MVR9004/8
Page 1: ...1 User Manual for GPS 3G 4G 4 8ch D1 Hard Disk Mobile Digital Video Recorder MDVR Model ...
Page 8: ...Hard Disk Mobile DVR User Manual V2 2 8 2 2 Device drawing Dimension Install Holes ...
Page 20: ...Hard Disk Mobile DVR User Manual V2 2 20 3 2 Text Input 3 3 Video settings ...
Page 21: ...Hard Disk Mobile DVR User Manual V2 2 21 3 4 PTZ connection way and setting ...