This icon indicates to users that an asset or group of assets are linked to a QR code (or NFC Tags).
On Web
To see this feature, here are the steps:
Go to "Assets"
Switch to hierarchy view.
Note that the QR code icon will only appear in hierarchy view.
To know how to link a QR code to an asset, here is the link for the steps:
On Mobile
To see this feature,
Go to "Assets"
Switch view to either "Show List"
Or "Show Map"
Note that QR codes (or NFC tags) are linked to an asset or asset with the use of mobile app. Here are the steps: How to Add QR Code to An Asset