Acer 4020 manual Using the Keyboard, Lock keys and embedded numeric keypad, Lock Key Description

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Using the Keyboard

The full-sized keyboard includes an embedded numeric keypad, separate cursor keys, two Windows keys and twelve function keys.

Lock keys and embedded numeric keypad

The keyboard has four lock keys which you can toggle on and off.

The computer features three lock keys, each with its own status indicator light.

Lock Key

Description

 

 

Caps Lock

When Caps Lock is on, all alphabetic characters are typed in uppercase. Toggle on and

 

off by pressing the Caps Lock key on the left side of the keyboard.

 

 

Num lock

When Num Lock is on, the embedded numeric keyboard can be used. Toggle on and

<Fn+F11>

off by pressing the Fn+tkeys simultaneously.

 

 

Scroll lock

When Scroll Lock is on, the screen toggles up or down one line

<Fn+F12>

at a time when the up and down cursor control keys are pressed.

 

 

NOTE: Scroll Lock doesn’t work in all applications. Toggle on and off by pressing the Fn+F12 keys

simultaneously.

The embedded numeric keypad functions like a desktop numeric keypad. It is indicated by small characters located on the upper right corner of the keycaps. To simplify the keyboard legend, cursor-control key symbols are not printed on the keys.

Desired action

Num Lock on

Num Lock off

Number keys on

Type numbers in a normal manner

 

embedded

 

 

keypad

 

 

Cursor-control

Hold Shift while using cursor-control keys.

Hold Fn while using cursor-control

keys on

 

keys.

embedded

 

 

keypad

 

 

Main keyboard

Hold Fn while typing letters on embedded keypad.

Type the letters in a normal

keys

 

manner.

 

 

 

Windows Keys

The keyboard features two keys that perform Windows-specific functions.

Chapter 1

17

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Contents Acer TravelMate 4020 Series Revision History Disclaimer CopyrightScreen Messages ConventionsPreface Page Chapter FeaturesStorage Battery Top View Mainboard PlacementRear View Description 5V / 3.3V Block DiagramDescription Outlook ViewOpen View Icon Description Front PanelLeft View Right View Power jack Connects to an AC adapter External display port Bottom View Indicators Easy-launch buttons Touchpad Basics TouchpadDesired action Num Lock on Num Lock off Using the KeyboardLock keys and embedded numeric keypad Lock Key DescriptionKey Description Hot KeysHot Key Function Description Special KeysUS dollar sign Euro symbolAcer eManager Using System UtilitiesLaunch Manager L2 Cache Hardware Specifications and ConfigurationsProcessor Specification System Board Major ChipsUSB Port Specification System Memory SpecificationLAN Interface Specification Modem/Bluetooth Interface SpecificationKeyboard Specification Pcmcia Port SpecificationMechanical Specifications Battery SpecificationPackage configuration LCD 15.4 Wxga SpecificationInput Requirements SpecificationsMechanical Specification AC Adapter SpecificationPower Management Acpi Mode Output Ratings CV modeOutput Ratings CC mode Dynamic Output CharacteristicsData Storage Physical Dimensions and Weight DetailsLogical Configuration Environmental RequirementsToshiba Reliability Characteristics Error Rates Nominal Power RequirementsPhysical & Environmental Specs Dimensions/Weight Ambient TemperaturePreventive Maintenance System Utilities Bios Setup UtilityParameter Description InformationUuid Main Advanced Security Boot ExitF12 Boot Menu Advanced Security Boot ExitParameter Description Option SecurityEnter Set Supervisor/User PasswordDisabled Characters 0-9,A-Z not case sensitiveSetup Notice Changes have been saved Continue Exit BootExit Info Main Advanced Security BootChapter Machine Disassembly and Replacement Before You Begin General InformationChapter Disassembly Procedure Flowchart Description Screw ListRemoving the Battery Pack Removing the HDD Module Removing the Memory and the Wireless LAN CardRemoving the Thermal Module and CPU Removing the ODD Module Removing the LCD Module Disassembling the Main Unit Disassembling the Upper Case Assembly Disassembling the Lower Case Assembly Chapter Disassembling the LCD Module Chapter Disassembling the Optical Drive Module Disassembling the External ModulesChapter Troubleshooting Keyboard or Auxiliary Input Device Check System Check ProceduresExternal Diskette Drive Check External CD-ROM Drive CheckMemory check Power System CheckTouchpad Check Power-on Self-Test Error Messages Error Message List Index of Error MessagesError Code List CPU ID No beep Error Messages FRU/Action in Sequence Code Beeps Post Routine Description Phoenix Bios Beep CodesCode Beeps Post Routine Description Chapter Code Beeps Post Routine Description Power-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Indicator-Related SymptomsPower Management-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Speaker-Related SymptomsModem-Related Symptoms Peripheral-Related SymptomsKeyboard/Touchpad-Related Symptoms Intermittent Problems Dimm Undetermined ProblemsChapter Top View Jumper and Connector LocationsRear View VGA RAM RTC Jumper FRU Field Replaceable Unit List Exploded Diagram Illustration Part Name Description Acer P/N Touch PAD Board ZL1A Touch PAD Lower Case W ZL3A Base Assy W/O DVD/CDRW Combo ZI6 Combo SBW-242C DVD Dual Drive ZL6 DVD Rwdual ZL1A K/B EUGO-U/I LCD Cable 15 ZL1A 15 LCD Cabel LCD Module 15 ZL1 15 LCD SXGA+ LCD Module 15.4 ZL1A 15.4 LCD Wxga Samsung LTN154X3 Samsung Panel UMA W/PCMCIA Slot CPU Memory Memory DDR333 Name Plate ZL3A Name Plate S Screw M2.5*4L-BZN ET2S Screw 100 Chapter