First, we need to access the APC UPS web interface.
Open your browser and enter the IP address of the APC UPS.
On the login screen, use the default username and default password.
• Default Username: apc
• Default Password: apc
After a successful login, you will be sent to the APC UPS Dashboard.
On the webinterface, access the Configuration menu and select the UPS option.
Enable the LCD display lock checkbox and click on the Apply button.
Congratulations! You have locked the the APC UPS LCD display.