AVer NXU8000 - Manual (Page 171)

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9. In External I/O box setup dialog, user will see all added External I/O. Click added External I/O
box and click Add to scan the connected relays and sensors.
10. In Add Module window, click Scan to scan the connected relays and sensors on the External
I/O box.
11. All connected relays and sensors will be listed. User can click radio button to control
relays’
status. And then, click OK to save the setting and click Cancel to exit and without saving.
12. All connected External I/O box and their modules will be listed as tree topology in External I/O
Setup window.