User`s manual

5. Hold a portion where the tenons

are located with one hand, while

press a portion where a yellow

arrow points with the other hand.

6. Finally, push the tabs inwards to

fix the battery cover.

Charging the Battery

Before using the terminal for the first time, you need to charge it for about 16

hours. After that, you can charge the terminal for 4 hours to recharge the

battery to full capacity. Charge the terminal using the USB charging cable or

the docking station.

CAUTION! Operating the terminal for the first time without the AC adapter, and

without fully charging the backup battery may result in loss of data

stored in RAM memory. When the main battery is removed, the

backup battery retains RAM data in memory for 8 hours. Please

charge the battery for the period to avoid data loss in RAM

memory.

NOTE: Turn the backup battery switch on before charging the battery. Data

you entered may not be properly stored until the built-in backup battery

has been fully charged.

Charging the battery with USB charging cable

1. Connect the USB charging cable to PA550 (1).

2. Plug the AC adapter cable into the power jack of the USB charging cable

(2).

3. Plug the AC adapter cord into an electrical outlet (3).