Manual

Appendix A FAQ
116
Take the 4 CH DVR as an example. Refer to the picture below. The remaining
bandwidth should be larger than the bandwidth of the IP camera you want to
add, or you would fail to add the IP camera. You should lower the added
cameras’ bitrate to release the bandwidth. It is recommended to add cameras
by “Quickly Add” for batch adding.
a.
b.
c.
d.
Please check the power and SATA data cables of the HDD to make sure
they are well connected.
For some DVRs with the 1U or small 1U case, the power of the adapter may
be not enough for operating them. Please use the power adapter supplied along
with the DVR.
Please make sure the HDDs are compatible with the DVR. See Appendix C
Compatible Device List for details.
The HDD could have gone bad.
Q1. Why can’t I find the HDD?
a.
b.
c.
d.
Please make sure the resolutions of the cameras are supported by the DVR.
Please make sure the network cables of the IP camera and DVR are both
connected properly and the network parameters are set correctly.
Please make sure the analog camera is connected properly.
Please make sure the network and the switch both work normally.
Q2. Why are there no images output in some or all of the camera windows?
a.
b.
Please make sure the screen, HDMI or VGA cables are good and well
connected.
Please make sure the screen supports the resolution of 1280*1024,
1920*1080, 2560*1440 or 3840*2160(4K*2K). The DVR cannot self-adapt to the
screen of which the resolution is lower than 1280*1024, and then the screen will
remind you that the screen resolution is not supported by the DVR or just have no
display. Please change a screen at 1280*1024, 1920*1080, 2560*1440 or 3840*2160
resolution before booting the DVR.
Q3. The screen has no output after booting the DVR normally.
a.
b.
The password for admin can be reset through “Edit Security Question”
function. Click the “Edit Security Question” button in the login window and then
enter the corresponding answer of the selected question in the popup window.
After that, reset you password. If you forget the answer of the question, this way
will be invalid, please contact your dealer for help.
The passwords of other users can be reset by admin, please refer to 10.1.2
Edit User for details.
Q4. Forget the passwords?
Q5. The DVR cannot add up to the maximum number of IP cameras?