QNAP Security VioStor NVR (Version: 3.3.2) - Manual (Page 209)

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3. The recording is not working properly.
A. Make sure each hard disk tray is correctly locked on the VioStor.
B. When only one hard disk drive is installed, make sure the HDD is installed in the
tray of HDD 1. The HDD 1 should be installed on top of the HDD 2.
C. Check if the recording function is enabled on the Camera Configuration page (the
function is enabled by default). Make sure the IP address, the login name, and
the password of the IP camera are correct.
D. If the above items are verified to work properly while the status LED flashes green,
the HDD may be damaged or cannot be detected. In this case, turn off the
VioStor and install a new hard disk. If the problem persists, please contact the
technical support.
Note: If you have updated the configurations of the VioStor, the recording will be
stopped temporarily and restart again shortly.
4. I cannot login the administration page of the VioStor.
Please check if you have the administrator authority. Only administrators are allowed
to login the VioStor.
5. The live video is not clear or smooth sometimes.
A. The image quality may be restricted and interfered by the network traffic.
B. When there are multiple connections to the IP camera or the VioStor, the image
quality will be reduced. It is recommended to allow only three simultaneous
connections to the monitoring page at maximum. For higher recording
performance, do not open too many IE browsers to view the live video.
C. The same IP camera may be shared by multiple VioStor servers for recording at
the same time.
6. The alarm recording does not function.
A. Please login the VioStor and go to ‘Camera Settings’ > ‘Alarm Settings’. Make
sure the alarm recording is enabled for the IP camera.
B. When using Panasonic BB-HCM311 cameras, the camera firmware must be
upgraded to v1.3 for the alarm recording to work properly.
C. If the VioStor is installed behind a router while the IP camera is not, the alarm
recording will not work.
D. When the alarm recording is enabled, make sure you have entered the number of
days that the alarm recordings will be retained in ‘Camera Settings’ > ‘Advanced
Settings’. Otherwise, the recordings may be overwritten.