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5. Operation
5.1 Display Panel
The UPS has a four-button graphical LCD with dual color backlight.
Standard back-light is used to light up the display with white text and
a blue background. When the UPS has a critical alarm, the backlight
changes the text to dark amber and the background to amber. See
Figure below
Fig. 5.1: B500-R060-C/ B500-R100-C Online UPS Control Panel