Sharp PC-A280 Especificações

iNotice for Users in the USAFCC StatementWARNING - FCC Regulations state that any unauthorized changes or modificationsto this equipment not expressly

xCAUTION:TO PREVENT ELECTRICAL SHOCK, DISCONNECT THE AC CORD ANDTHE EXTERNAL BATTERY BEFORE SERVICING.CAUTION:FOR A COMPLETE ELECTRICAL DISCONNECTION,

xiSafety PrecautionsGeneral• Follow all cautions and instructions which may be marked on the computer.• Except as described elsewhere in this manual,

xii• Do not drop the computer nor hit it with other equipment.• Do not scratch the surface of the LCD screen.• Turn off the computer and disconnect th

xiiiModem Precautions• Never install telephone wiring during a lightning storm.• Never install telephone jacks in wet locations unless the jack is spe

xivAbout This ManualNoticeInformation in this manual is subject to change without notice and does not represent acommitment on the part of SHARP Corpo

xvRecording Important InformationFor future reference, please record the following information in the spaces providedbelow.Model Number:Serial Number:

xviManual ConventionsThis manual uses a set of style conventions described below.Notes and Cautions are italicized with icons:A note icon informs you

xviiTable of ContentsNotice for Users in the USA... iNotice for Us

xviiiUSB Device...4-9Printer ...

xixOverview of ComputerEach number after an arrow indicates the page referring to the part. Actualappearance of your computer may be slightly differen

iiAbout the ModemThis equipment complies with Part 68 of FCC rules. On the bottom of thisequipment is a label that contains, among other information,

xxRightExternal Floppy Disk Drive PortSecurity SlotModem Jack (may not be available @in some countries)Microphone JackUSB PortAudio Output JackIR Port

xxiRearKeyboard/mouse PortRS-232C Serial PortParallel PortLAN JackExternal Monitor PortOptional External Battery PortComputerFloppy Disk Drive UnitBot

1-11CHAPTER 1 Quick SetupYour computer is designed and pre-configured for easy setup and use. This chapterdescribes the steps to get your computer

1-214. Plug the AC power cord into a wall outlet.To Wall Outlet5. Slide the display lock latch until the screen cover releases, and raise the cover.6.

1-31Setting up Windows 98The first steps in the setup process are as follows:• Entering your name• Registering your computer• Accepting license agre

1-41Shutting Down the SystemTo turn off the computer:1. From the Start menu, select Shut Down.2. Select Shut down and click OK. The computer turns off

2-12CHAPTER 2 Basic OperationsThis chapter describes the basic operations of your computer.Choosing Power SourceYou can use the computer with one of

2-22For more information on Standby and Hibernation, see Chapter 3.Using the AC AdapterWhen connected to a wall outlet, the AC adapter provides power

2-32Resetting the SystemYou may need to reset the system after adding hardware or software so that yourcomputer will recognize the newly installed dev

2-42Using The Glide PadYour computer is equipped with an integrated pointing device called a glide pad.Using the glide pad, you can move the pointer,

iiiThe Telephone Consumer Protection Act of 1991 makes it unlawful for any personto use a computer or other electronic device, including fax machines,

2-52to exert much pressure on the pad. The glide pad will respond to a light touch fromyour fingertip.Click, Double-click, and Right-clickTo click or

2-62Using The KeyboardYour computer, equipped with the Windows Enhanced Keyboard, provides all thefunctionality of a full-sized desktop keyboard.Windo

2-72Using External Floppy Disk Drive UnitYou can use double-density (2DD) 720KB or high-density (2HD) 1.44MB floppydisks with the external floppy disk

2-82Removing External Floppy Disk Drive Unit1. Remove the floppy disk from the floppy disk drive.2. Turn off the computer.3. Disconnect the floppy dis

2-92• Always insert a floppy disk straight into the floppy disk drive.• When inserting the disk, make sure it is not upside down.• Do not use excessiv

3-13CHAPTER 3 Battery and Power ManagementThis chapter explains how to manage the computer’s power effectively and use thestandard battery or an opti

3-23Checking the Battery LevelYou can check the battery level in the Power Management Properties dialog box inthe Control Panel or double-clicking the

3-33Low Battery IndicationWhen the battery power becomes significantly low, the battery power indicator ()turns red and the warning beep sounds. Save

3-434. Disable the power management and set Critical Battery Suspend to Disabled inthe Power menu of the Setup Utility. See Power menu in Chapter 7.5.

3-53Optional External Battery PackYou can use an optional external battery pack to power your computer for longerperiods of time.Use only the appropri

ivNotice for Users in CanadaAbout ModemThe Industry Canada label identifies certified equipment.This certification means that the equipment meet certa

3-63Removing External Battery PackBefore removing the external battery pack, turn off the computer orconfirm that the standard battery pack has power

3-73Charging External Battery PackYou can charge the external battery pack by connecting AC power to the computerwith the external battery connected.T

3-83Power ManagementPower management saves electricity and extends battery life by controlling powersupply to built-in devices. You can set the follow

3-93down normally. When your computer resumes from System standby, the systemrestores the exact last state of the computer. There are two types of Sys

3-103Your computer enters System standby in each of the following cases.• You select Stand by in the Shut Down Windows dialog box.• The specified time

3-113• The battery level is low.The above functions if you set the alarm in Windows 98. See Battery Alarm in thissection.Resuming from Standby• Do not

3-123Battery AlarmIn Windows 98, the alarm will tell you when the battery drops to the specified levelby sounding an alarm or displaying a message, an

4-14CHAPTER 4 PeripheralsThis chapter describes how to use peripheral devices with your computer. You canconnect a printer, external monitor, exter

4-24PrinterMouse/KeyboardRS-232C DeviceCRT MonitorUSB DevicePC CardMicrophoneAudio EquipmentUSB DeviceComputerFloppy Disk Drive

4-34PC CardYour computer is equipped with a PC card (PCMCIA) slot, which can accommodateone Type II card. Before inserting a PC card into your comp

vCAUTION:DISCONNECT TELEPHONE LINES BEFORE ACCESSING THE MODEMCARD.ATTENTION:DEBRANCHER LES LIGNES TELEPHONIQUES AVANT D’ENLEVER CECOUVRICLEProduct In

4-44Raise the PC card eject button only when you need to push it. The ejectbutton may get knocked off the computer if it is not pushed down. In thisca

4-54Connecting Optional External CD-ROM DriveYou can connect the optional external CD-ROM drive using the PC card slot.Optional CD-ROM Drive

4-64Keyboard / MouseYou can use a full size desktop keyboard or external mouse with your computer.A keyboard/mouse port and a RS-232C serial port are

4-74DisplayYou can use an external monitor with your computer. To display images on bothdisplays simultaneously, use the 800x600 resolution.• Some m

4-84Changing Resolution and Number of ColorsWhen shipped, your computer is set to the default resolution and color. The defaultresolution is 800 x 600

4-94Audio SystemYou can output sound to speakers or headphones using an ordinary audio cable.Connecting audio equipment1. Turn off the computer.2. U

4-104PrinterYou can connect a printer to a parallel port of the external floppy disk drive unit.Before using a printer, read the printer manual.Settin

5-15CHAPTER 5 Communication FunctionsThis chapter explains how to use infrared communications. the built-in modem andthe LAN unit.Infrared Communicat

5-25During infrared communication:• Do not move the computer and the other IR device.• Do not enter System standby.• Do not use a cellular phone or an

5-35Built-in Modem (may not be available in some countries)You can use the built-in modem for data transfer and fax communication.• The built-in modem

viNotice for Users in AustraliaService InquiriesPlease contact your dealer for service if required or contact Sharp Corporation ofAustralia on 1-800-8

5-45Disabling Power ManagementTo use communication software, you may have to disable power management. SeeDisabling Power Management in Chapter 3.Sett

5-55LAN unitYour computer is equipped with a 100 Base-TX/10 Base-T LAN interface. Toactivate the LAN adapter, perform the following steps.1. Turn off

6-16CHAPTER 6 Security FeaturesThis chapter describes how to protect your computer against unauthorized use,computer viruses and theft.PasswordsSet

66-2• Power Management Security• Diskette access• Fixed disk boot sectorWhen the system starts or resumes from HibernationIf you have enabled Password

6-363. Type your new password, and press Enter.4. Type your new password again, and press Enter.5. When the confirmation message appears, press Ente

66-4Preventing Infection of Computer VirusesYou can protect against some viruses by limiting writing to the hard disk. To limitwriting to the hard dis

7-17CHAPTER 7 Setup UtilityThis chapter describes how to run the Setup Utility to change settings on yourcomputer.Running the Setup UtilityWith the

7-275. Select one of the exit methods, and press Enter.6. When the message Setup Confirmation appears, press Enter again. The systemrestarts.To turn o

7-37Main menuSystem Time Defines the system time, using the format hour:minute:second (24-hour format). The Tab key moves the cursor, and the space

7-47Advanced menuSerial Port Sets the RS-232C serial port, selecting the base I/O address. Enabledmeans that you can select the item yourself. Auto me

viiNotice for Users in the UKCopyrightRecording and playback of any material may require consent, which SHARP isunable to give. Please refer particul

7-57Security menu• See the previous chapter about setting passwords.• In some password settings, you cannot select some items.Set Supervisor Passwor

7-67Power menu• All items you set except for Auto Backlight Control do not work inWindows 98.• See Chapter 3 about power management and the battery.Po

7-77Resume On Modem Ring Defines whether the system resumes from Standby whenthe modem receives a call. (may not be available in some countries)The

A-1AppendixesThe appendixes contain additional information on the use and care of your computer.Maintenance and CareThis appendix provides you with

A-2This computer is designed for portability. For safety and convenience whentraveling, please follow these guidelines.• Before traveling, back up you

A-3SpecificationsParts SpecificationsCPU Mobile Pentium II Processor (frequency differs by configuration)Secondary cache 256KB(Integrated with CPU)R

Troubleshooting T-1TroubleshootingTroubleshootingThis chapter describes how to troubleshoot computer problems.Common ProblemsProblems with your compu

T-2 TroubleshootingTroubleshootingTrouble when StartingQuestion: Why doesn't the power switch function?• Make sure the AC power cable is correct

Troubleshooting T-3TroubleshootingTrouble with DisplaySee also the Display section in Chapter 4.Question: Why is the screen blank?• Press any key to

T-4 TroubleshootingTroubleshootingTrouble with Hard DiskQuestion: Why can't I read or write data to/from the hard disk?• Confirm the drive and f

viiiNotice for Users in EuropeAbout the ModemYour Sharp PC-A200 series with integral modem has been designed to workwith the analogue PSTN’s in the fo

Troubleshooting T-5Troubleshooting• If you still cannot turn off the system with the power switch, slide the reset switchon the bottom of your comput

T-6 TroubleshootingTroubleshooting• Confirm the external floppy disk drive unit is connected correctly.• Confirm the application program is compliant

Troubleshooting T-7TroubleshootingQuestion: Why can't I access the network?• Confirm the item LAN is set to Enabled in the Advanced menu of the

Index 1IndexAAC adapter, 2-2audio, 4-9Bbacking up data, 2-9battery alarm, 3-12battery packchanging, 3-4charging, 3-3;3-7checking the battery level, 3-

Index 2Ooptional external CD-ROM drive, 4-5Ppasswordchanging, 6-2deleting, 6-3setting, 6-2PC cardejecting, 4-4inserting, 4-3power indicators, 2-1power

Re-installation InstructionsPreparation for Re-installationYou can format the hard disk and re-install the preinstalled software with therecovery CD-R

Formatting the hard disk and reinstalling Windows 98 and other programs 1. If any peripheral devices, except the external floppy disk drive and the CD

ixThis equipment complies with the requirements of Directives 98/13/EC and89/336/EEC, 73/23/EEC both amended by 93/68/EEC.Dieses Gerät entspricht den