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PDA Blackberry 7520のPDF ユーザーマニュアルをオンラインで閲覧またはダウンロードできます。Blackberry 7520 14 ページ。 Blackberry 7510/7520 from nextel
Blackberry 7520 にも：交換マニュアル (2 ページ), 安全性と製品情報 (10 ページ), スタートマニュアル (12 ページ), スタートマニュアル (27 ページ)

BlackBerry User Guide

Charging

Before its first use, a BlackBerry 7510 must be charged for 3 to 5 hours, to bring the battery to full

power. If the battery goes dead, it will need to be charged for 3 to 5 hours to bring it to full charge

again. It should be charged daily for several hours to provide enough charge for the next day. It is

recommended that you turn off the BlackBerry and recharge it when you are off

Users who need to extend their usage time should consider a second, high capacity battery, and a

charger that will charge both batteries at the same time. This link will take you to the Nextel web page

for accessories.

The charging procedure has two steps:

1. Connect the small end of the USB cable to the BlackBerry.

2. Connect it to the AC charger and plug that into an electrical outlet.

In order to save battery life, it is recommended that you turn off the vibrate option for e-mail and

calendar items.

Connect to AC

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duty.