Local Basic Operations 93
Figure 4-67
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
. Hold down the left mouse button to select the area you
want 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 4-68. 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 4-68
4.3.3.3 Instant backup
You can record the video of any channel and save the clip into a USB storage device.