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WIFI signal intensity beyond 60/100,but connect failed.
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General condition, connection is no problem when the signal intensity up to
60/100 if WIFI setup are right. If the device can not be found in LAN, then you should
check if setting the SSID and password, IP Address, besides, check the Encryption
Type and authentication mode are setting according to the requires.
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3G Signal intermittent，video is easy frozen.
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At present, signal coverage of the WCDMA and EVDO is very wide, but still
there are some mountain area signal is weak, this will influence. Then check if the
frame rate in Sub-stream setting is too high.
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What should do if the 3G upload video.
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Press F2 enter into the system information page and check if the SIM Card exist,
how’s the signal intensity and dial status, if the antenna connect well. And check if
the SIM Card have flow, if there is good signal but dialed failed,please check if the
center number and port is right, or the device number is repeated.
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If dial by 3G wireless module, what should pay attention to?
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1. Choose inside wireless module WCDMA,EVDO,TD-SCDMA, relative module
setting is different then SIM Card is different, please make sure the module is
corresponding with the SIM Card.
2. If the server IP and Port setting is right, if the signal intensity is enough to dial or
not, if 3G dial successfully.
3. Please check the 3G antenna connect well if dial failed, signal intensity is weak
also caused dial failed.
4. Check if there are enough flow in SIM Card, if no, dial either failed.
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There is bias of the GPS position on the map.
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The signal is effective if the GPS module has been positioning, there are so
many reasons caused bias, government restriction, permissible error, GPS signal
break off, The actual satellite map error occurred for the security, GPS Correction
can solve the problem.
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GPS Module exist but no GPS information.
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1. Check if the GPS Module exist.
2. Confirm if GPS antenna connect well, if the antenna disconnect, advise to put it
on the place that the signal is strong,attention that some of Car glass shielding film
can prevent GPS Signal.
3. If it was test indoor, GPS Signal can be shielded if the GPS antenna put indoor,
advice to put the GPS Antenna outdoor.
4. Be covered with trees, in tunnel, run near the high buildings and elevated
highway, weather and surroundings influence, these may caused no signal or
received the wrong signal.
Q:
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Can not control the Car PTZ, can not rotate to all direction.
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If the agreement and Baud rate of the PTZ is setting right, if the address code is
corresponding, if the video channel is setting to max when control the PTZ. Like if is
control the first channel, then must set the first channel image to be max.
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Video files lost, or there is no video files at a certain period time.
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1. Analysis the lost video and ensure the lost time period.
2. Confirm if the DVR was opened at that time, such as crashed midway park,
loading and unloading ect. And the device didn’t set the delay recording
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The device was opened, HDD was installed, but the device can not record successful.
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1.Check the HDD/SD Card was formatted or not, the unformatted HH/SD Card
can not be used. Enter into the Main Menu – System Setup – Formatting the new
installed HDD/SD Card.
2. If the recording channel is closed, if set the timing recording, it can not recording
when it beyond the period of timing recording.
3. If the HDD is connect well, if the HDD/SD light is on.
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If the video input interface of the device and camera is different.
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The DVR is using 4 needle type port, the camera is BNC port or Aviation, if it is
different, please use the X-over to connect, or connect according to the DVR Line
sequence definition
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The device is restarting all the time.
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1.If the device voltage is enough or not, may it didn’t up the device starting
voltage caused restart.
2. HDD/SD Card problem caused device can not be start, take down the storage
device and starting up can judge it.
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Device cannot make a record successfully.
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1.Check the device if is opened. Check the device input power, Check the power
cable ,If it is right connection, if the ground wire is connect with the storage battery,
If the fuse of the power wire is no problem; and check if the red and yellow
line(device power supply) power supply is no problem, if there are only one line
supply power, the device can not be opened.
2. Check if the monitor is powered-up, and if the monitor video is switch to AV and
corresponding channel status.
3. Check the connection state of the device video input wire and the monitor.
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What should do if the products problems can not solved by ourself
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Record the model and software versions number, report our engineers detailed
problem, more detailed will be more convenient for us to analysis and deal with
