Samsung NP-Q428-DS04VN manual Extending the Battery Usage Time, Battery Usage Time Information

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Battery Usage Time Information

A battery is an expendable supply, so when using it over a long time, the capacity/battery life is shortened. If the battery life is reduced to under half of its initial time, we recommend purchasing a new battery.

For long periods of not using the battery, keep the battery after discharging it. This extends the battery life time.

Extending the Battery Usage Time

Decreasing the LCD Brightness

Press the Fn + keys on the keyboard to decrease the LCD brightness to extend the battery usage time.

You can only use this function after installing Windows XP/ Windows Vista/Windows 7 Vista and installing the Easy Display Manager program with the system software media disk.

(Only for Windows XP/Windows Vista/Windows 7)

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Contents User Guide Page Contents Page Chapter Page Text Notations Safety Precaution NotationsBefore You Start CopyrightAbout Memory Capacity Representation About the Product Capacity Representation StandardAbout HDD Capacity Representation Keep the plastic bags out of the reach of children Safety PrecautionsInstallation Related Power Related There is a danger of electric shockAC Adapter Usage Precautions Connect the power cord to the AC adapter firmlyBattery Usage Related Authorized PartsUsage Related There is a danger of an explosion or fireUpgrade Related Custody and Movement Related Failing to do so, may cause electric shockDo not place a heavy object over the product Installation Related Battery Usage RelatedUse only a battery authorized by Samsung Electronics Repairing the product Failing to do so may cause electric shock hazardTake care when touching the product or parts Take care not to throw or drop a computer part or deviceDo not operate or watch the computer while driving a vehicle Take care not to damage the data on a hard disk driveProper Posture During Computer Use Proper PostureEye Position Hand Position Keep your arm at a right angle as shown by the figureIllumination Check your volume first to listen to music VolumeUse Time Break Time Operation ConditionImportant Safety Information Setting Up your SystemInstruction On Safety Operation of NotePC Care During UseReplacement Parts and Accessories  Laser Safety NoteRequirements listed below are applicable to all countries Do not unplug the power cord out by pulling the cable onlyGeneral Requirements Wireless Guidance Regulatory Compliance StatementsPage Use in specific environments USA and Canada Safety Requirements and NoticesOther Wireless Devices Explosive Device ProximityUnintentional Emitter per FCC Part FCC Statement for Wireless LAN use Intentional emitter per FCC PartFCC Part If fitted with a modem device Unintentional Emitter per ICES-003 Intentional Emitter per RSSBrazil Manufacturer Information European Union CE Marking and Compliance NoticesEuropean Directives EU R&TTE Compliance Statements Magyar MaltiMaltese HungarianGeneral European Economic Area RestrictionsLocal Restriction of 802.11b/802.11g Radio Usage BelgiumPage Weee Symbol Information Battery return systemsComputer Standard Battery AC Adapter Power Cable User Guide Basic ItemsOverview Front ViewStatus Indicators Caps LockSecurity Lock Port Right ViewUSB Port Left View Back View BatteryBattery Latches Bottom ViewTurn on the computer Attaching the BatteryPower Connect the AC adapterTurn on the computer LEDUsing Stand by Mode in Windows XP Using Sleep ModeUsing Sleep Mode in Windows Vista/7 Click Start Turn Off Computer Stand ByPage Chapter Fn+ KeyboardShortcut Keys FunctionYou can turn the LCD on or off after installing Windows XP Media disk Numeric Key Volume ControlScreen Brightness Control Scroll Area TouchpadTouchpad Left Button Touchpad Right ButtonStatus Indicator Emergency Hole Eject Button Inserting and Ejecting a CDPage Example SD Card Multi Card Slot OptionalTo Insert and Use a Memory Card To format a memory card Using a Mini SD snd RS-MMCTo remove a memory card Click Start My computerMute Adjusting the VolumeAdjusting the Volume using the Keyboard Measuring the Remaining Battery Charge ChapterLCD Brightness Control Controlling the Brightness Using the KeyboardInstructions for Cleaning the LCD  LCD bad pixels principle of laptop computerBios Setup Entering the Bios SetupSetup Items Setup Menu Description Bios Setup ScreenSetup Menu Help ExitSystem Setup Keys F5/F6Setting a User Password Setting a Boot PasswordSetting a Supervisor Password Set Supervisor Password itemSetting Up a Boot Password Deactivating the PasswordChanging the Boot Priority Priority itemFixing Screw Upgrading MemoryAdding or Replacing Memory Modules Memory SlotRemoving a memory module Precautions BatteryInstalling/Removing the Battery Charging the Battery To use the shortcut key to viewDecreasing the LCD Brightness Extending the Battery Usage TimeBattery Usage Time Information Highlight Yes in the Battery Calibration Using the Battery Calibration FunctionMove to the Boot Smart Battery Using the Security Lock Port Page Chapter Product Specifications Registered Trademarks Energy Star PartnerPage Page BA81-10343A11100715

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