You can configure and set default values for step-and-repeat patterns. (The software defaults are shown.)
In Mac OS: Select Preps > Preferences > Step & Repeat.
In Microsoft Windows: Select Edit > Preferences > Step & Repeat.
Use to define a step-and-repeat naming convention. The default value is SnR_<n>
(for example, SnR_1, SnR_2, and so on).
Use to define a default value for arranging pages:
Placeholder size: The size of a placeholder element. The default value is 8.5 in. x 11 in.
Default Placeholder position: The position of a new placeholder element in the Press Runs view. The default value is center.