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56
Figure 7-7 Obtain DMSS QR code
Step 5 Scan the QR code.
1) On the
Home
screen of the app, tap , and then select
SN/Scan
.
2) Scan the DMSS QR code you obtained in
Setting
>
General
>
QR Code
on the VTH to
obtain the device information of the VTH.
When there is a main VTH and extension(s), make sure that you only scan the QR code
of the main VTH.
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