Notifications appear on the display which currently has focus.
If the Presentation Mode option has been checked, then notifications will not be shown on any display, until the option is unchecked (from the Display Setup panel or from System Settings-User Interface), or until the user next logs in.
"""
Text from the specification:
"""
2.13. Notify OSD
Notifications appear on the display which currently has focus.
If the Presentation Mode option has been checked, then notifications will not be shown on any display, until the option is unchecked (from the Display Setup panel or from System Settings-User Interface), or until the user next logs in.
"""