Lenovo 9631, 6490, 9635, 9637, 9277, 9269, 9283, 9287, 9265, 9383, 9379 Appendix A. Manual modem commands

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Attention Switzerland User:

If your Swisscom phone line does not have Taxsignal switched OFF, modem function may be impaired. The impairment may be resolved by a filter with the following specifications:

Telekom PTT SCR-BE

Taximpulssperrfilter-12kHz

PTT Art. 444.112.7

Bakom 93.0291.Z.N

Appendix A. Manual modem commands 69

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Contents User Guide Page User Guide Page Contents Troubleshooting Conditions that require immediate action Important safety informationService and upgrades General safety guidelinesStatic electricity prevention Power cords and power adaptersVoltage-selection switch Plugs and outlets Extension cords and related devicesExternal devices BatteriesHeat and product ventilation Operating environment Electrical current safety informationTo connect To disconnect Lithium battery noticeModem safety information Laser compliance statement Power supply statementProducts with television tuner options installed Proper grounding for the cable Example of antenna groundingUsing headphones or earphones Data safetyCleaning and maintenance Additional safety information Introduction Xviii User Guide Comfort Arranging your workspaceElectrical outlets and cable lengths Glare and lightingAir circulation Connecting your computer Setting up your computerUser Guide Setting up your computer User Guide 1394 Finishing the software installation Turning on powerCompleting important tasks Installing other operating systemsUpdating your operating system Updating your antivirus softwareUser Guide Features Installing optionsVideo subsystem Operating systems preinstalled varies by model type Dimensions SpecificationsWeight EnvironmentTools required Available optionsHandling static-sensitive devices Installing external optionsLocating the connectors on the front of your computer Locating the connectors on the rear of your computer Obtaining device drivers Connector DescriptionRemoving the cover Locating components Identifying parts on the system board Installing options User Guide What to do next Installing memoryInstalling adapters What to do next Drive specifications Installing internal drivesInstalling options Installing a drive in bay 1 or bay Installing options Connecting the first optical drive Connecting drivesInstalling security features Connecting a serial ATA hard disk driveIntegrated cable lock Padlock Password protectionChanging the battery Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Creating and using the Product Recovery disc Recovering softwarePerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media To create rescue media, do the following Creating and using a Recovery Repair disketteRecovering or installing device drivers Solving recovery problems Setting a rescue device in the startup sequenceUser Guide Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsAdministrator Password User PasswordSetting, changing, and deleting a password Using Security Profile by DeviceChanging the startup device sequence Selecting a startup deviceSelecting a temporary startup device Exiting from the Setup Utility program Advanced settingsUpdating system programs Using system programsUpdating flashing Bios from a diskette User Guide Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Diagnostic programs PC-Doctor for DOS PC-Doctor for WindowsRunning diagnostics from the CD or diskettes PC-Doctor for Windows PE Cleaning the mouseOptical mouse Non-optical mouse1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Information resources Getting information, help, and serviceOnline Books folder ThinkVantage Productivity CenterHelp and service Access HelpSafety and warranty Calling for service Using the documentation and diagnostic programsPurchasing additional services Using other servicesBasic AT commands Appendix A. Manual modem commandsSet Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output noticeIndex Page Page Part Number