Opti-ups PS7500DL User Manual download pdf (Page 4)

3. Batteries may cause electric shock and have a high short-circuit current. Please

take the precautionary measures specified below and any other measures

necessary when working with batteries:

- remove wristwatches, rings and other metal objects

- use only tools with insulated grips and handles.

4. When changing batteries, install the same number and same type of batteries.

5. Do not attempt to dispose of batteries by burning them. This could cause battery

explosion.

6. Do not open or destroy batteries. Escaping electrolyte can cause injury to the

skin and eyes.

3. SYSTEM DESCRIPTION

3.1 Front Panel Description for LCD Model

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. In battery

operation mode, press it with Up-key at the same time to disable the buzzer.

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Opti-ups PS7500DL User Manual Page 4