Digital Zoom - Dahua NVR41-4KS2 Series User Manual

Go to the Main Menu > SYSTEM > General > Basic to set Instant Replay time. See Figure 4-63.
System might pop up a dialogue box if there is no such record in current channel.

4.3.3.2 Digital Zoom

You can zoom in specified zone of current channel so that you can view the details. It supports zoom
in function of multiple-channel. It includes the following two ways:
● Click
, the icon switches to
to enlarge. The area is enlarged after the left mouse button is released.
● Point to the center that you want to enlarge, rotate the wheel button to enlarge the area.
For some models, when the image is enlarged in the first way described previously, the selected
area is zoomed proportionally according to the window.
The digital zoom interface is shown as in Figure 4-64. When the image is in the enlarged status, you
can drag the image toward any direction to view the other enlarged areas. Right click mouse to
cancel zoom and go back to the original interface.
Figure 4-63
. Hold down the left mouse button to select the area you want
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User's Manual