L10US-IB20, L10US-IB40, L10US-IB60 L10US-IB00, L15US-IB40, L15US-IB60 L15US-
IB00, L20US-IB60, L20US-IB00 UPS
4.3.5.2. History
Click History to enter the history recode display window.
4.3.5.3. Buzzer
Click the Buzzer mute, the buzzer will mute, and the red block will change to green, if the
buzzer is on, then click the icon, the buzzer will turn on and the button will change to red.
Click return to return to the previous window, click home page to return to the main page.