User Manual for Mobile DVR
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and the other possibility is antenna not connect well.
3) Q: Why 3G can not transmit data?
A: Probably of the reason is as follows:
1) Didn’t connect 3G antenna
2) Didn’t insert SIM card;
3) Wireless and network setup in a wrong way
4) The PC setup not matches with 3G. For example, the gateway router have not port mapping.
5) Have never turn on PC play back tool.
Remark: For further more information about Network and Wireless setup, please make a reference on
page eighteenth and nineteenth
in User Manual.
4) Q: What kind of overwritten way use in device when two SD cards circularly recorded
A: Record one by one. When the first one has no capacity, the second one will start to record. If two pieces
of SD card are full, the device will delete the record data start from the one which record on the earliest
time.
5) Q: Whether can achieve the 3 G long range previews and local record carry on synchronously or not?
A: Real-time preview in control centre and save local record can be achieved.
6) Q: How about the 3G transmit speed?
A: It will depend on the bandwidth of each Country. Currently in China, 4 channels video can be transmitted
at the same time, the best situation is 15f/s/ch.
7) Q: How long time delay when 3G long range previews?
A: It will depend on the bandwidth of each Country, the transmission delay within 5-20s in China.
8) Q: How to download record file through 3G?
A: User can download files manually.
9) Q: Whether can set record in system in a long range through 3G or not?
A: Sorry, it isn’t realization currently.
10) Q: Is it the long range switch device operation?
A: Temporary nonsupport, but engineer can add this function into system according to customer’s
acquirement.
11) Q: Is it all right to support SDHC card?
A: Support SDHC card.
8.5 General Problems
Problem 1: The power indicator not bright after power on.
The following reasons will cause the power indicator not works:
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