User manual

20
it. 
When you remove the HDD, refer to the following figure to pull the spring up and then
remove the HDD.
Figure 3-1
Important:
 You can connect the HDD data cable and the power cable first and then fix the HDD in the
device.
 Pay attention to the front cover. It adopts the vertical sliding design. You need to push the
clip first and then put down.
Important: You can connect the HDD data cable and the power cable first and then fix the
HDD in the device. Pay attention to the front cover. It adopts the vertical sliding design.
You need to push the clip first and then put down.
3.4 Connecting Power Supply
Check input voltage and device power button match or not.
We recommend you use UPS to guarantee steady operation, DVR life span, and other peripheral
equipments operation such as cameras.
3.5 Connecting Video Input and Output Devices

3.5.1 Connecting Video Input
The video input interface is BNC. The input video format includes: PAL/NTSC BNC（1.0VB
P-
P
，
B75Ω.）
The video signal should comply with your national standards. The input video signal shall have
high SNR, low distortion; low interference, natural color and suitable lightness.
Guarantee the stability and reliability of the camera signal:
The camera shall be installed in a cool, dry place away from direct sunlight, inflammable,
explosive substances and etc. The camera and the DVR should have the same grounding to
ensure the normal operation of the camera.