xCppJ‖Defines various settings for newly created presentation documents, such as the contents to be displayed, the measurement unit used, if and how grid alignment is carried out.
To access this command...
Open a presentation document, choose LibreOfficeDev - PreferencesTools - Options - LibreOfficeDev Impress.
AEAUN‖Specifies the available display modes. By selecting an alternative display, you can speed up the screen display while editing your presentation.