The default Matrix Tables Display Mode for displaying Matrix Tables in Sales, Purchasing, and Variance is controlled by the Matrix Display Mode Parameter.
Available options are:
Grid
Side By Side List
Cascading List
If the Entry Mode is set to Single Item, press [Shift]+[F9] to toggle between the three Display Modes (this feature is not available in Multiple Item Entry Mode).
To select the default Display Mode, navigate to the Configuration Manager, select Databases from the Settings Menu, click the Matrix Parameters button at the bottom left of the Database Settings Screen, click the Display Mode button on the Matrix Parameters screen, and select an option.
See:
Matrix Tables - Contents