User's Manual

Figure 1. device list
If you want to re-scan all the BLE devices, click the refresh button on the up-right corner of the page.
Figure 2. refresh button
3.4 Connect/Disconnect Smart HMI Device
In the device list page, there will be several items that is scaned BLE devices.
You could make the app to connect the BLE device by clicking the button on the right of the item.