OPTI-UPS DS3000D(L) - Manual (Page 4)

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4. SYSTEM DESCRIPTION
4.1 Front Panel Description
1. LCD Display: This indicates the UPS operation information, including UPS
status, input/output voltage, input/output frequency, battery voltage,
battery capacity left, output load, inside temperature, and the times of
history events.
2. Up-key: Use to select upward the UPS status on LCD Display.
3. Down-key: Use to select downward the UPS status on LCD Display.
Beside, press it simultaneously with the Up-key to switch off the UPS.
4. Enter-Key: It is pressed with the Down-key to turn on the UPS. In battery
operation mode, press it with Up-key at the same time to disable the
buzzer. Beside, it is pressed to confirm and enter the item selected.
5. Fault LED (red): To indicate the UPS is in fault condition because of
inverter shutdown or over-temperature.
6. Warning LED (yellow): To indicate the UPS is in the status of overload,
bypass and battery back-up.
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7. Normal LED (green): To indicate the UPS is operating normally.
4.2 Outline Description
1KVA Tower
3KVA Tower Case