Connecting a Device to Stereo Speaker/Headphone Jack | Compaq M300

9-4Using Audio Features

■If you use a dynamic microphone, the recommended sensitivity will not be achieved.

When an external microphone is connected to the computer, the computer microphone is disabled.

Connecting a Device to the

Stereo Speaker/Headphone Jack

WARNING: To reduce the risk of personal injury, turn down the volume control before putting on headphones.

■Use only a 3.5-mm stereo plug. For best sound quality,

❏Headphones should be 32 ohms.

❏External speakers should be at least 8 ohms.

■Connecting an external audio device to the stereo speaker/ headphone jack disables the computer speaker.

Image 96

Compaq M300 manual Connecting a Device to Stereo Speaker/Headphone Jack, 4Using Audio Features

Contents

Compaq Armada M300 Series of Personal Computers Documentation Survey Business Reply Mail Compaq Armada M300 Series First Edition June Part Number Compaq Computer Corporation Compaq Armada M300 Series Reference Guide Contents Managing Power Upgrading Your Computer Vii Using Audio Features Viii Intelligent Manageability Securing the Computer Appendix a Appendix B Appendix D Xii Text Conventions Xiii Symbols in Text Xiv About This GuideCould result in bodily harm or loss of life Damage to equipment or loss of information Identifying Packing Box Contents Getting StartedFinding Information Identifying Hardware Components 2Getting StartedComponent Function To-2-prong plug adapter Japan only Taking a Look at the Computer Top ComponentsTop Components Component Function 2Taking a Look at the Computer Top7Components Left Side Components Left Side Components Right Side Components Right Side Components4Taking a Look at the Computer PC Card slot Air intake vents Air exhaust vents Front Components Front ComponentsOpens the computer Rear Components Rear Components Bottom Components Bottom ComponentsProduces sound Connecting the Diskette Drive External Diskette Drive8Taking a Look at the Computer Versatile Battery Pack Disconnecting the Diskette Drive Using the Keyboard Using the Pointing DeviceIdentifying Keyboard1 Components TouchPad Procedures 2Using the KeyboardProcedure Navigating with the TouchPad Using Hotkeys Setting TouchPad PreferencesScroll Lock+Scroll Lock+F3 Switching the Display and Image Adjusting System VolumeTask Hotkeys Setting a Power Conservation Level Viewing Battery Charge StatusInitiating Quick Controls Adjusting Screen Brightness Enabling the Eurocurrency Symbol6Using the Keyboard Displaying System Information Using the Embedded Numeric Keypad Toggling thenKeypad On and OffOperating the Keypad Keys as Standard Keys 8Using the Keyboard Enabling the Keypad at Startup Managing Power Selecting a Power SourceSelecting a Power Source Recommended Power Source 2Managing Power Selecting a Power SourceAdapter Beginning, Leaving, or Resuming Your Work Standby or Hibernation 4Managing Power Power/suspend* light turns offBeginning, Leaving, or Resuming Your Work Result Managing Low-Battery Conditions Identifying Low-Battery ConditionsBeginning, Leaving, or Resuming Your Work Initiate Press Fn + suspend button Resolving Low-Battery Conditions 6Managing Power Charging a Battery Pack If you are charging the battery pack in the computer Monitoring the Charge in a Battery Pack 8Managing Power Using the Battery Charge Level Lights Using the Battery Status TabUsing the Battery Meter or Power Meter Icon Using the Power or Power Meter Tab 10Managing PowerWindows 95 and Windows Windows NT Calibrating a Battery Pack 12Managing Power Running a Calibration Changing the Primary Battery Pack Battery Pack LocationComputer battery bay Stopping a Calibration Removing the Primary Battery Pack 14Managing Power Installing the Primary Battery Pack 16Managing Power Storing the Battery Pack Using Power Preferences Recommended Battery Pack Storage Temperatures18Managing Power Storage Time Setting Power Preferences in Windows 95 or Windows NT Setting Power Preferences in Windows 95 or Windows NTProcedure from Control Panel Settings tab. Select Custom, then enter Your preferences 20Managing Power Setting Power Preferences in Windows 95 or Windows NTSet Hibernation timeout Settings tab, then select the On or Off Button Setting Power Preferences in Windows Conserving Battery Power Battery Power Conservation Checklist22Managing Power Turning Auto Insert Notification On or Off Conserving Battery Power in Windows Conserving Battery Power in Windows NT 24Managing Power Managing Random Access Memory RAM Upgrading Your ComputerMemory Removing or Inserting a Memory Expansion Board 2Upgrading Your ComputerPage 4Upgrading Your Computer Page Hard Drives Removing the Primary Hard Drive6Upgrading Your Computer Inserting the Primary Hard Drive 8Upgrading Your Computer Changing the Startup Sequence with MultiBoot Caring for Drives 10Upgrading Your Computer Bay Docking Devices Connecting the Computer Disconnecting the Computer 2Mobile Expansion Unit on select models Docking and Undocking to a Compatible Docking Device Connecting the AC Adapter Turning Equipment On and Off4Mobile Expansion Unit on select models Connecting External Devices Operating External Devices Drive Devices6Mobile Expansion Unit on select models Drives Support Removing a MultiBay DeviceDrives Support Bay Device Bay Location Inserting a MultiBay Device 8Mobile Expansion Unit on select models Removing the Diskette Drive from Diskette Drive Bay 10Mobile Expansion Unit on select models Inserting the Diskette Drive into the Diskette Drive Bay Connecting the Modem Cable Configuring the Modem Recommended Settings2Using an Internal Modem available on select models Selecting Communications Software Using the Modem Using Modem Commands and Dial ModifiersSetting Modem Preferences 4Using an Internal Modem available on select models Installing and loading fax communication software Using the Modem While Traveling Internationally Using a Country-Specific Modem Adapter Selecting a Country-Specific Modem Configuration Travel Connection Checklist6Using an Internal Modem available on select models Page Using PC Cards Configuring a PC CardInserting or Removing a PC Card 2Using PC Cards Inserting a PC Card Removing a PC Card 4Using PC Cards Using Audio Features Using the Internal Microphone Stereo Speakers 2Using Audio Features Connecting an External Audio Device Connecting a Device to the Microphone JackSelecting an Audio Connector To Connect This Device Use This Jack Connecting a Device to Stereo Speaker/Headphone Jack 4Using Audio Features Adjusting Volume Using the Fn+F5 hotkeys Using the Infrared Port Communicating with Infrared10-1 Configuring the Infrared Port 10-2Using the Infrared PortEnabling the Infrared Port 10-3 Security Features Quick Reference If You Forget a PasswordSecurity Features Quick Reference Securing the Computer Using a Power-On Password Setting, Changing, or Deleting a Power-On Password11-2Securing the Computer Using Quick Controls Entering a Power-On PasswordSetting, Changing, or Deleting Quick Control Preferences 11-3 Using a Setup Password Initiating QuickLock ManuallyExiting QuickLock 11-4Securing the Computer Entering a Setup Password 11-5 Using DriveLock 11-6Securing the Computer Protecting a Hard Drive with DriveLock 11-7 Accessing a Protected Hard Drive 11-8Securing the Computer Disabling a Device 11-9 Securing the Computer Hard Drive Bay 11-10Securing the Computer Connecting an Optional Cable Lock 11-11 Intelligent Manageability Finding Intelligent Manageability Help12-1 Using Fault Management Alerts Identifying a Fault Management AlertSetting Fault Management Alert Preferences 12-2Intelligent Manageability Maintenance, Shipping, Travel Obtaining Customized Update Information with Info MessengerObtaining Software Updates Enhancements by Subscription Updating the System Displaying the Version of the Installed System ROM 13-2Maintenance, Shipping, and Travel Installing a System ROM from a Diskette Obtaining a System ROM13-3 Reinstalling Software Replacing the Lithium Real-time Clock Battery13-4Maintenance, Shipping, and Travel Caring for the Computer 13-5 13-6Maintenance, Shipping, and Travel Preparing the Computer for Shipping or TravelTraveling with the Computer 13-7 Configuration and Diagnostic Utilities Selecting Computer Setup or Compaq Diagnostics for Windows14-1 Using Computer Setup 14-2Configuration and Diagnostic UtilitiesSelecting from the File Menu Selecting from the File Menu Setup password Power-On password DriveLock passwords Selecting from the Security MenuSelecting from the Security Menu 14-3 14-4Configuration and Diagnostic Utilities Selecting from the Security Menu Change the Computer Setup language Boot Options Selecting from the Advanced MenuSelecting from the Advanced Menu 14-5 Using Compaq Diagnostics for Windows 14-6Configuration and Diagnostic UtilitiesSelecting from the Advanced Menu Running a Diagnostic Test 14-7 14-8Configuration and Diagnostic Utilities Troubleshooting Quick Solutions Checklist15-1 Solving Audio Problems Solving Audio Problems15-2Troubleshooting Problem Possible Cause Solution Headphones, or a Turned down Volume Headset produces no Volume needs Multimedia Adjusting15-3 Sound Software application Solving Battery Problems Solving Battery Problems15-4Troubleshooting Problem Solving Battery Problems Replace the battery pack15-5 No action is required 15-6Troubleshooting Battery charge does not last as long as expected Solving Drive Problems Solving Hard Drive ProblemsSolving Hard Drive Problems 15-7 Solving CD-ROM and DVD-ROM Drive Problems Solving CD-ROM Drive and DVD-ROM Drive Problems15-8Troubleshooting Solving CD-ROM Drive and DVD-ROM Drive Problems Enable CD-ROM boot ability15-9 Solving Diskette and SuperDisk LS-120 Drive Problems Solving Diskette and SuperDisk LS-120 Drive Problems15-10Troubleshooting Solving Infrared Problems Solving Infrared ProblemsSolving Diskette and SuperDisk LS-120 Drive Problems 15-11 15-12Troubleshooting Solving Infrared Problems 15-13 Movement OrientationDo not move either unit during data transmission Solving Keyboard and Pointing Device Problems Solving Keyboard and Pointing Device Problems15-14Troubleshooting Solving Memory Problems Solving Modem ProblemsSolving Memory Problems Solving Modem Problems 15-16Troubleshooting Solving Modem ProblemsAt the command line in terminal mode, type ATX3DT Refer to Disabling a Device in Chapter Modem is not Responding to Commands from Computer keyboard 15-17 15-18Troubleshooting Modem does not connect Not connect at highest speedTelephone 15-19 Characters are garbled/transfer rates are slow 15-20Troubleshooting Restore power, if necessaryModem loses Connection Interfering with Solving PC Card Problems Solving PC Card Problems15-21 Windows 95 or Windows 98 refer Solving Power Problems Solving Power Problems15-22Troubleshooting Battery pack may be defective Solving Power Problems 15-23 Solving Screen Problems Solving Screen Problems15-24Troubleshooting Solving USB Problems Solving USB Problems15-25 15-26Troubleshooting Windows 95Up to five tiers External devices Using the Worldwide Web Compaq Customer SupportPreparing to Call Technical Support 2Compaq Customer Support Worldwide Telephone Numbers Worldwide Telephone NumbersCountry Location Code Telephone Number Argentina Australia 4Compaq Customer Support Worldwide Telephone Numbers Colombia Czech RepublicDenmark Eastern Europe, The Middle East Africa 6Compaq Customer Support Israel ItalyJapan Korea 8Compaq Customer Support Portugal RussiaSingapore South Africa 10Compaq Customer Support Regulatory Notices Regulatory Agency Series NumbersProduct Agency Series Number Modifications 2Regulatory Notices Canadian Notice CablesUnited States only Power Cords Avis CanadienJapanese Notice Airline Travel Notice Energy Star Compliance Battery Notice Laser Safety Cdrh RegulationsLaser Information 6Regulatory Notices European Union Notice Laser InformationPolarization Circular Safety Precautions for Modems 8Regulatory Notices Regulations Governing Use of Modems Telephone Consumer Protection Act Canadian Regulations Governing Use of Modems10Regulatory Notices Page New Zealand Modem Statements 12Regulatory Notices Macrovision Corporation Notice When Handling Drives When Installing Internal ComponentsElectrostatic Discharge Preventing Electrostatic Discharge Grounding Methods 2Electrostatic Discharge Specifications Computer DimensionsComputer Dimensions Operating Environment Rated Input Power Port and COM Port SettingsRated Input Power Port and COM Port Settings Modem Specifications Modem SpecificationsPort and COM Port Settings Index Index-1 Index-2 Index-3 Index-4 Index-5 Index-6 Index-7 Index-8 Index-9 Reference, Armada Quick, online Index-10 Index-11 Index-12 Index-13