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Compaq nc6000 Hardware Guide - Page 38

Battery Packs, Running the Notebook on Battery Power - power supply

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3 Battery Packs Running the Notebook on Battery Power When the notebook is connected to external AC power, the notebook runs on AC power. When a charged battery pack is in the notebook and the notebook is not connected to external power, the notebook runs on battery power. The notebook switches between AC power and battery power according to the availability of an external AC power source. For example, if the notebook contains a charged battery pack and is running on external AC power supplied through the AC adapter, the notebook will switch to battery power if the AC adapter is disconnected from the notebook. You can leave a battery pack in the notebook or in storage, depending on how you work. Keeping a battery pack in the notebook enables the battery pack to charge whenever the notebook is connected to external AC power and also protects your work in case of a power outage. On the other hand, battery packs in the notebook slowly discharge when the notebook is turned off. For this reason, the primary battery pack is not shipped inside the notebook and must be inserted before the notebook can run on battery power. Hardware Guide 3-1

Section	Page
Contents	3
Notebook Features	7
Pointing Device Components	7
TouchPad Model	7
Dual Pointing Device Model	8
Top Components	9
Lights	12
Left Side Components	14
Right Side Components	15
Front View Components	17
Rear View Components	19
Bottom Components	21
Labels	23
Pointing Devices and Keyboard	25
Using a Pointing Device	25
Using the Pointing Stick	27
Using the TouchPad	27
Using an External Mouse	28
Setting Pointing Device Preferences	28
Using Hotkeys and Shortcut Keys	29
Identifying fn and Function Keys	29
Hotkey and Shortcut Key Quick Reference	30
Initiating Standby (fn+f3)	30
Switching Displays (fn+f4)	31
Viewing Battery Charge Information (fn+f8)	31
Decreasing Screen Brightness (fn+f9)	32
Increasing Screen Brightness (fn+f10)	32
Displaying System Information (fn+esc)	32
Using Hotkeys and Shortcut Keys with External Keyboards	32
Using Quick Launch Buttons	33
Using Keypads	34
Using the Embedded Numeric Keypad	34
Enabling and Disabling the Embedded Numeric Keypad	35
Switching Key Functions on the Embedded Numeric Keypad	35
Using an External Keypad	36
Enabling or Disabling Num Lock Mode As You Work	36
Enabling or Disabling Num Lock Mode at Startup	36
Battery Packs	38
Running the Notebook on Battery Power	38
Identifying Battery Packs	39
Inserting or Removing a Primary Battery Pack	40
Inserting or Removing a MultiBay Battery Pack	41
Charging a Battery Pack	43
Charging a New Battery Pack	44
Charging an In-Use Battery Pack	44
Charging a Primary and MultiBay Battery Pack	44
Monitoring the Charge in a Battery Pack	45
Obtaining Accurate Charge Information	45
Displaying Charge Information on the Screen	45
Accessing Charge Displays	45
Interpreting Charge Displays	46
Displaying Charge Information on a MultiBay Battery Pack	47
Managing Low-Battery Conditions	48
Identifying Low-Battery Conditions	48
Low-Battery Condition	48
Critical Low-Battery Condition	48
Resolving Low-Battery Conditions	49
When External Power Is Available	49
When a Charged Battery Pack Is Available	49
When No Power Source Is Available	49
When the Notebook Cannot Exit Hibernation	49
Calibrating a Battery Pack	50
When to Calibrate	50
How to Calibrate	50
Charging the Battery Pack	50
Discharging the Battery Pack	51
Recharging the Battery Pack	52
Battery Conservation Procedures and Settings	54
Conserving Power As You Work	54
Selecting Power Conservation Settings	55
Storing a Battery Pack	56
Disposing of a Used Battery Pack	57
Finding More Power Information	57
Drives	58
Caring for Drives	58
Adding a Drive to the System	60
Hard Drive	61
Identifying the Hard Drive Activity Light	61
Replacing the Primary Hard Drive	62
MultiBay Drive	65
Identifying the MultiBay Activity Light	65
Using a MultiBay Hard Drive Adapter	65
Inserting a Hard Drive into the Adapter	66
Removing a Hard Drive from the Adapter	67
Inserting a Hard Drive into the MultiBay	68
Removing a Drive from the MultiBay	69
MultiBay Drive Media	70
Inserting an Optical Disc	70
Removing an Optical Disc (With Power)	71
Removing an Optical Disc (No Power)	72
Inserting a Diskette	73
Removing a Diskette	73
Displaying Optical Disc Contents	73
Locating Optical Disc Software	74
Initiating Standby or Hibernation	74
Audio and Video	75
Using Audio Features	75
Using the Audio Line-Out Jack	76
Using the Microphone Jack	76
Adjusting the Volume	77
Using Video Features	78
Using the S-Video Jack	79
Communication Devices	80
Connecting a Modem Cable	80
Using the RJ-11 Telephone Cable	81
Using a Country-Specific Adapter Cable	82
Connecting a Network Cable	83
Linking to an Infrared Device	84
Setting Up an Infrared Transmission	85
Using Standby with Infrared	85
External Devices	86
Connecting a Monitor or Projector	87
Using a USB Device	88
Enabling USB Legacy Support	89
Connecting an Optional External MultiBay	90
Connecting an Optional Cable Lock	91
Hardware Upgrades	92
Using PC Cards	92
Inserting a PC Card	93
Removing a PC Card	94
Using SD Cards	95
Inserting an SD Card	95
Removing an SD Card	96
Adding and Upgrading Memory Modules	97
Effects of Increasing Memory	102
Specifications	103
Notebook Dimensions	104
Operating Environment	104
Rated Input Power	105
Modem Specifications	105