Beyonwiz DP-S1 - Manual (Page 108)

Advanced Setup
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If you select the “Network” option, the PCs and network devices
connected to your home network will be displayed. If you can not see
any device on the list view, please press the RED button to scan the
devices.
You can also scan a specific network device with its IP address. Please
press the GREEN button and enter the IP address.
If you select the “Memory Card” or “USB” option, a list view will be
displayed.