Apple PowerBook G4 (12-inch, 1.5 GHz) User Manual Page 51
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Chapter 3 Using Your Computer 51
Charging a Battery
When the power adapter that came with your computer is connected, the battery
recharges whether the computer is off, on, or in sleep. However, the battery recharges
more quickly if the computer is off or in sleep. You can monitor the battery charge level
using the Battery status icon in the menu bar.
The battery charge level displayed is based on the amount of power left in the battery
with the applications, peripheral devices, and system settings (display brightness,
Energy Saver settings, and so on) you are currently using. To make more battery power
available, close applications and disconnect peripheral devices not in use, and adjust
your Energy Saver settings (see the next section).
Battery-Conservation Tips
The amount of work time your PowerBook battery can provide before you need to
recharge depends on the applications and peripheral devices you’re currently using
and the steps you take to conserve power while you work.
For the best conservation of battery power, do the following:
 Disconnect bus-powered USB or FireWire devices when they are not in use.
 If you have an AirPort Extreme Card installed, turn AirPort off when not in use (use
the AirPort status icon in the menu bar).
 Turn off your Bluetooth wireless module when not in use.
 Quit open applications that you are not using.
 Remove CD and DVD discs when they are not in use.
 Reduce screen brightness using the brightness controls on the PowerBook keyboard.
 Set the hard disk to spin down after a short time. In the Energy Saver pane of System
Preferences, select the “Put the hard disk to sleep when possible” option.
 Set your PowerBook to sleep after inactivity of five minutes or less.
LL3093.book Page 51 Friday, February 4, 2005 5:50 PM
- PowerBook G4 12-inch 1
- User’s Guide 1
- Contents 3
- Getting Started 5
- 6 Chapter 1 6
- Getting Started 6
- H FireWire 400 8
- Setting Up 10
- W Internal modem port 13
- Ethernet cord 14
- Ethernet port 14
- (10/100Base-T) 14
- ® Power button 14
- Trackpad 16
- Trackpad button 16
- Shutting Down Your PowerBook 17
- Calibrating Your Battery 18
- What’s Next? 18
- Other Support 19
- The Basics 21
- Adjusting Your Display 22
- Using Your Power Adapter 23
- Using the Trackpad 24
- Using the Keyboard 25
- Using a Mouse 25
- Learning About Mac OS X 26
- Using Applications 27
- Connecting to a Printer 27
- Monitoring Printing 28
- Chapter 2 The Basics 29 29
- Connecting to a Network 30
- Using the Internet 30
- When an Application Freezes 31
- Using Your Computer 33
- Universal Serial Bus (USB) 34
- For More Information on USB 35
- FireWire 36
- FireWire Target Disk Mode 37
- Using Bluetooth Devices 38
- Connection to 40
- AC outlet AirPort Express 40
- DSL or cable 40
- Ethernet (10/100Base-T) 41
- Using Your Modem 42
- Mini-DVI 43
- Sudden Motion Sensor 45
- Using Your Optical Drive 46
- Ejecting a Disc 47
- Playing DVD Discs 47
- For More Information 48
- Battery 49
- Battery Latch 50
- Charging a Battery 51
- Battery-Conservation Tips 51
- Security Slot 52
- Adding Memory 55
- Troubleshooting 61
- Other Problems 63
- Installing Applications 65
- Using Apple Hardware Test 66
- Installing Xcode Tools 67
- Specifications 69
- Cleaning Your PowerBook 71
- Carrying Your PowerBook 71
- Storing Your PowerBook 71
- Your Computer 72
- General Safety Instructions 73
- Connectors and Ports 74
- Avoid Hearing Damage 74
- Apple and the Environment 74
- Ergonomics 75
- Connecting to the Internet 77
- Entering Your Information 80
- Connections 80
- Manual Configuration 84
- DHCP Configuration 85
- PPPoE Configuration 86
- PPPoE Connections 91
- Network Connections 92
- Top Ten Questions 93
- FCC Compliance Statement 97
- Bluetooth Information 97
- Industry Canada Statement 97
- VCCI Class B Statement 97
- Class 1 label 98
- Service warning label 98
- Â Telephone jack type: CA-11 99
- 101 101
- 103 103
- 104 Index 104
- Index 105 105
- 106 Index 106
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