Appendix A. Manual modem commands | Lenovo 3000 J Series guide

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 71

Image 89

Lenovo 3000 J Series manual Appendix A. Manual modem commands

Contents

User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Getting information, help Conditions that require immediate action Important safety information Service and upgrades General safety guidelines Static electricity prevention Power cords and power adapters Viii User Guide Plugs and outlets Voltage-selection switchExtension cords and related devices Heat and product ventilation External devicesBatteries Operating environment To connect To disconnect Electrical current safety informationLithium battery notice Laser compliance statement Modem safety information Data safety Power supply statementCleaning and maintenance Additional safety information Introduction Xvi User Guide Glare and lighting Arranging your workspaceComfort Electrical outlets and cable lengths Air circulation Connecting your computer Setting up your computer User Guide Setting up your computer User Guide 1394 User Guide Completing important tasks Turning on powerFinishing the software installation Updating your operating system Installing other operating systemsUpdating your antivirus software Shutting down the computer Features Installing options Memory Input/output features Available options Handling static-sensitive devices SpecificationsTools required Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device drivers Removing the cover Identifying parts on the system board Locating components User Guide Installing options What to do next Installing memory Installing adapters Secure the adapter with the screw as shown Drive specifications Installing internal drives User Guide Installing a drive User Guide Installing options Connecting the first CD drive or DVD drive Connecting a serial ATA hard disk drive Installing security features Padlock loop Password protectionChanging the battery Installing options 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 software Performing 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 diskette Recovering or installing device drivers Solving recovery problems Setting a rescue device in the startup sequence User Guide Starting the Setup Utility program Using the Setup UtilityViewing and changing settings Using passwords User Password Password considerationsAdministrator Password Setting, changing, and deleting a password Selecting a temporary startup device Using Security Profile by DeviceSelecting a startup device Changing the startup device sequence Advanced settingsExiting from the Setup Utility program Updating 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 Windows Creating diagnostic diskettes Optical mouse Cleaning the mousePC-Doctor for Windows PE Non-optical mouse Troubleshooting and diagnostics User Guide Information resources Getting information, help, and serviceOnline Books folder Lenovo Care Warranty and safety Access Help Calling for service Help and serviceUsing the documentation and diagnostic programs Purchasing additional services Using other services Basic AT commands Appendix A. Manual modem commands Set Pulse dial as default Low speaker volumeSet Tone Dial as default Internal speaker on until carrier detected Extended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 2 commands Fax Class 1 commands Voice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output notice Index 14, 22, 23 Page Part Number