Lenovo 8457, 8455, 8453, 8454, 8459, 8460, 8458, 8456 manual Appendix C. 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 C. Manual modem commands 37

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Contents User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Iv User Guide Conditions that require immediate action Important safety informationService General safety guidelinesPower cords and power adapters Batteries Extension cords and related devicesPlugs and outlets Heat and product ventilation CD and DVD drive safetyTo connect To disconnect Additional safety informationLithium battery notice Laser compliance statement Modem safety informationPower supply statement Information resources OverviewXiv User Guide Features Installing optionsConnectivity Operating systems, preinstalled varies by model Available options Dimensions SpecificationsWeight EnvironmentHandling static-sensitive devices Supported operating positionsTools required Installing external options Locating connectors on the rear of your computer Obtaining device drivers Connector DescriptionRemoving the cover Locating components Accessing system board components Identifying parts on the system board User Guide Microprocessor and heat sink 10 Sata IDE connectors Fan connector 11 Clear CMOS/Recovery jumper Installing memory What to do next Installing PCI adaptersSecurity features Padlock Password protectionChanging the battery Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwordsAdministrator or Supervisor Password Selecting a startup device Exiting from the Setup Utility programSelecting a temporary startup device Changing the startup device sequenceUser Guide System program Updating flashing Bios from a disketteAppendix A. Updating system programs User Guide Cleaning a mouse with a ball Appendix B. Cleaning the mouseCleaning an optical mouse User Guide Basic AT commands Appendix C. 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 C. Manual modem commands User Guide Appendix D. Notices Trademarks Television output noticeIndex Page Page Part Number 41T3715