W 2 0 1 2 p, Appendix 2: faq, 28 sd card mobile dvr user manual 28 – RearviewSafety RVS-MDVR User Manual
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Q: What should I do if problems occur when I can not solve myself?
A: Please write down the units number, software version number and describe theproblems in
details, then submit to our technical support for analysis. Please kindly note that the more detailed
descriptions that you offer will make our analysis more convenient.
Q: There s no video output from the Mobile DVR?
A: 1.Check whether the host is on, if only one blue lamp is on, the host is at standby mode, still not
booted. Also check whether the red and yellow lines of the host power cable are all powered on.
If only one line is powered, the device still can not boot.
2.Check if the monitor is powered on and its video switched to AV status.
3.Check if the AV-OUT cable connects well to the monitor or not .
4.Check whether the host is locked well or not, otherwise it can not boot normally.
Q: What if the MDVR video input port does not match the camera AV-OUT port?
A: Our MDVR uses 4PIN port or Aviation port and cameras use 4PIN/BNC port. If they does not
match, please connect them with the converter or connect cables one-to-one according to linear
definition standard of the units.
Q: SD card inserted but the device can not record after booting?
A: 1.Check if the SD card is locked, also check whether the SD card slot loosen contact or not.
2. If it s a new SD card used at the first time, suggest to enter into the system, enter main
menu-MANAGE TOOLl-format to have a format operation.
3.Check whether the recording channel is switched off, if timing record is set, the device will not
record as it is not in the recording time.
4. Check whether the SD card is pulled out with power on or not, Suggest to pull out SD card when
the device is turn off.
Q: Record files are missing or there re no record files during a certain time?
A: 1.Please find out the last record file and after the missing files for analysis.
2. Check if the MDVR is not switched on during that period, for example, the host does not set delay
record when the driver stops the vehicle half-way or loads and uploads cargo.
Q: The PTZ out of control and can not pan & tilt?
A: Check whether the protocol, baudrate and address are set correctly or not. Check if the channel
is selected to maximum screen when controlling the PTZ, for example, when controlling the
second channel, its image should be maximized to full screen so as to be controlled.
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APPENDIX 2: FAQ
FAQ ABOUT GPS
Q GPS module exists but without coordinate information?
A:1.Check whether the GPS module exist or not and please check whether hardware is installed
and connected well or not.
2. Check whether the GPS antenna is connected well or broken. Please place it at strong signal
areas. Note that GPS signal may be blocked by car glasses.
3. Please place the GPS antenna outdoor. If tested indoor, GPS signal may also be blocked.
Q: The GPS location shows deviations on the map?
A: Signals are valid if GPS module has positioned. The deviation can be caused by many reasons,
like government restrictions, allowable error, GPS signal interruption, etc. The actual satellite
map has deviations for safety reasons, and they can be corrected by GPS calibration.
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