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Tips: extending battery life – Blackberry PEARL 9105 User Manual

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• Open all of your messages by clicking on them. If you

cannot find all of your unopened messages in your inbox,
look in your messages folders.

• Mark a message as opened. Highlight a message. Press the

key > Mark Opened.

• Mark all messages that are prior to a date as opened.

Highlight a date field. Press the

key > Mark Prior

Opened.

Identify an indicator

• You might be able to identify an indicator by seeing the

icon of the application that the indicator refers to. To see
a complete list of applications on your device and their
icons, on the Home screen or in a folder, click the Options
icon. Click Device > Application Management.

• For a complete list of BlackBerry® indicators, visit

www.blackberry.com/docs/smartphones

. Click your

device model, and then click the Icons and Indicators
guide.

Tips: Extending battery life

For full instructions, click the links under Related information at the bottom.

Set your BlackBerry® device to turn on and turn off
automatically.

You can set your device to turn off while you aren't using it for
an extended period, like when you sleep. Data you receive
when the device is turned off automatically updates when the
device turns on.

On the Home screen or in a folder, click the Options icon. Click
Device > Auto On/Off.

Set backlighting to remain on for a shorter period of time, and
lower its brightness

On the Home screen or in a folder, click the Options icon. Click
Display > Screen Display.

Turn off network connections you aren't using

On the Home screen, click the connections area at the top of
the screen, or click the Manage Connections icon. Click a
network connection to clear the check box.

Close apps when you are finished with them.

In an app, press the

key > Close.

User Guide

Quick Help

22

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