Click on the GNSS marker (lower right corner) in order to show the GNSS info.
It shows the GNSS provider
Either internal or external GNSS location source.
When the app is connected to an external source (e.g. Leica GG04 through Leica Zeno Connect) it shows the high accuracy.
Please note that you can switch between [m], and feet [ft] in the measurement unit settings.