DVR systems DVRxx04HF-U Series - Manual (Page 53)

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Figure 4-5
The other ways is to press power button on the front panel for at least 3 seconds,
system will stop all operations. Then you can click the power button in the rear panel to
turn off the DVR.
4.1.4 Auto Resume after Power Failure
The system can automatically backup video and resume previous working status after
power failure.
4.1.5 Replace Button Battery
Please make sure to use the same battery model if possible.
We recommend replace battery regularly (such as one-year) to guarantee system time
accuracy.
Note:
Before replacement, please save the system setup, otherwise, you may lose the data
completely!
4.2 Manual Record
4.2.1 Live Viewing
After you logged in, the system is in live viewing mode. You can see system date, time
and channel name. If you want to change system date and time, you can refer to
general settings (Main Menu->Setting->General). If you want to modify the channel
name, please refer to the display settings (Main Menu->Setting->Display)
Preview Zoom Function
Move your mouse to the left top corner of the preview interface; you can see the
preview zoom button. See Figure 4-6. Left click the icon; you can see a hook icon.
Now you have enabled the preview zoom function. You can drag the mouse to zoom in
the image.
1 Recording status 3 Video loss
2 Motion detection 4 Camera lock