User's Manual

Page.13.
3.3.3 Screen capture
Long press the key "enter", can capture screen interface and save it in any time.
You can go file management to view "file Explorer –sdcard- Pictures—Screenshots".
3.3.4 Link monitor
Tap icon "Link Monitoring" at left corner on the screen, to enter.
It can detect instrument port rate 10/100/1000M, signal quality detection, upload and download speed,
etc. in real time. It can be used to detect whether the network video access bandwidth of devices such as
NVR is normal.