Unitech PA820, Краткое руководство пользователя

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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: Turn ON the backup battery switch before charging the battery.
Data you entered may not be properly stored until the built-in
backup battery has been adequately charged.
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 2 hours. Please
fully charge the backup battery to avoid data loss in RAM memory.
1. Press and hold the release button on both sides of the USB charging cable
and connect it to the PA820 (1).
2. Plug the AC adapter cable into the power jack of the USB charging cable (2).
Plug the AC adapter cord into an electrical outlet (3).
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