American Power Conversion MatrixTM UPS - Manual (Page 21)

5.2.6 UPS Setup
The UPS Setup menu allows the user access to sub-menus that show special UPS function choices. Function choices are
selected with the Select key. Other sub-menus and function choice confirmation can be accessed by pressing the Ok key.
The sub-menus and function choices are described below. All sub-menu screens are shown with the factory set function
choice.
Note: Function choice values are subject to change - when necessary, the meaning of new values will be explained in
errata sheets.