APC SYMMETRA 990 User Manual download pdf (Page 19)

15Symmetra MW II with Internal Bypass Static Switch - Operation - 990-1756C-001

How to configure the Touch-Screen Settings screen

1. Press the Touch-Screen Settings button on the

User Configuration screen to access the Touch-

Screen Settings screen.

2. Change the touch-screen settings:

– Brightness: Place the finger on the indicator

and slide it left or right to the desired

setting.

– Contrast: Place the finger on the indicator

and slide it left or right to the desired

setting.

– Backlight mode: Select “Always on” or

“Off after inactivity”.

– Backlight timeout (minutes): Select the time

limit for turning off the screen backlight.

– Recalibrate Display: Press this button to initiate the calibration of the screen.

Note: If the backlight mode is set to “Always on” this will reduce the lifetime of the display.

Note: If a display reboot is required, it can be achieved by recalibrating the display.

How to configure the Modbus Settings screen

The Modbus Settings screen allows monitoring of the UPS by a Building Management System (BMS).

1. Press the Modbus Settings button on the User

Configuration screen to access the Modbus

Settings screen.

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APC SYMMETRA 990 User Manual Page 19