Dahua DHI-NVR5208-4KS2 User Manual page 149

distorted. The de-warp function can present the proper and vivid video suitable for human eyes.
On the preview interface, select fisheye channel and then right click mouse, you can select fish
eye. See Figure 4-73. You can set fisheye installation mode and display mode.
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For the non-fish eye channel, system pops up dialogue box to remind you it is not a fish eye
channel and does not support de-warp function.

If system resources are insufficient, system pops up the corresponding dialogue box too.
Now you can see an interface shown as in Figure 4-74. You can set fish eye installation mode
and display mode. There are three installation modes: ceiling mount/wall mount/ground mount.

The different installations modes have different de-warp modes.

Some series products support 180°de-warp. 180°de-warp fisheye supports wall mount
de-warp only. The actual product shall prevail.
Figure 4-73
Local Basic Operation 138