44 Chapter 5 Operating Instructions
Liebert APM 90 Integrated Modular UPS User Manual
5.12
Changing The Current Date And Time
To change the system date and time, carry out the following procedures:
1. From the OutPut menu, press the F3 or F4 (left or right) key as needed to select the Settings menu.
2. Press the F5 (enter) key to move the cursor to the data window on the screen.
3. Use the F3 or F4 (up or down) key to select the Date & time option, then press the F5 (enter) key.
4. Move the cursor to the row in which the date and time are displayed, then press the F5 (enter) key.
5. Use the F3 or F4 (up or down) key to enter the current time and date information.
6. Press the F5 (enter) key to save the settings, then press the F2 (ESC) key to return to the OutPut menu.
5.13
Command Password
Password protection is used to limit the control functions accessible to the operator. This password provides
access to UPS and battery test functions.