iBook G4 (Mid 2005) User's Guide (Manual) - zZounds.com
iBook G4 (Mid 2005) User's Guide (Manual) - zZounds.com
iBook G4 (Mid 2005) User's Guide (Manual) - zZounds.com
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Getting More Information<br />
 For instructions on using DVD Player, choose Help > DVD Player Help from the menu<br />
bar at the top of the screen.<br />
 For information about using iTunes to record music files on a CD-R or CD-RW disc,<br />
choose Help > “iTunes and Music Store Help” from within iTunes.<br />
Understanding Sudden Motion Sensor<br />
Your <strong>iBook</strong> has Sudden Motion Sensor technology, built-in protection for the hard disk<br />
that is designed to help prevent disk failures if the <strong>com</strong>puter is dropped or experiences<br />
severe vibration.<br />
In general, Sudden Motion Sensor protection does not change hard disk performance<br />
during regular <strong>iBook</strong> operation. Occasionally, unusually strong vibrations might activate<br />
the Sudden Motion Sensor technology at a time when your <strong>iBook</strong> is writing or reading<br />
data intensively (such as when you are playing or recording video or audio). If you<br />
notice dropped frames or sound elements, make sure that your <strong>iBook</strong> is in a stable<br />
environment without vibration or abrupt movement.<br />
Using Your Battery<br />
When the external power adapter is not connected, your <strong>com</strong>puter draws power from<br />
its battery. The length of time that you can run your <strong>iBook</strong> off one battery charge varies,<br />
depending on the applications you use and external devices connected to your <strong>iBook</strong>.<br />
Turning off features such as AirPort Extreme or Bluetooth wireless technology when<br />
not in use can help to conserve battery charge. For more information about using your<br />
battery, see “Charging a Battery” on page 49.<br />
You can determine the charge left in your battery by looking at the battery level<br />
indicator lights on the battery itself. Press the button next to the lights, and the lights<br />
glow to show how much charge is left in the battery. The indicator lights remain lit for<br />
a few seconds after you press the button. You can check the charge with the battery in<br />
or out of the <strong>iBook</strong>.<br />
If your battery runs low while you are working, attach your power adapter and let the<br />
battery recharge. If you want to replace the battery with a charged one, attach the<br />
power adapter, shut down your <strong>iBook</strong>, and replace the battery. If you replace the<br />
battery without the power adapter attached, you can lose information and settings<br />
such as the date and time.<br />
Chapter 3 Using Your <strong>iBook</strong> <strong>G4</strong> 47