Lenovo 8455 Low speaker volume, Internal speaker on until carrier detected, Sr?, Sr=n, Detection

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Command		Function

	H1	Force modem off-hook (make busy)
		Note: H1 command is not supported for Italy

I_	I0	Display product-identification code

	I1	Factory ROM checksum test

	I2	Internal memory test

	I3	Firmware ID

	I4	Reserved ID

L_	L0	Low speaker volume

	L1	Low speaker volume

	L2	Medium speaker volume

	L3	High speaker volume

M_	M0	Internal speaker off

	M1	Internal speaker on until carrier detected

	M2	Internal speaker always on

	M3	Internal speaker on until carrier detected and
		off while dialing

N_		Included for compatibility only, provides no
		effect

O_	O0	Return to Data Mode

	O1	Return to Data Mode and initiate an equalizer
		retrain

P		Set Pulse dial as default

Q_	Q0	Modem sends responses

Sr?		Read and display value in register r.

Sr=n		Set register r to value n (n = 0-255).

T		Set Tone Dial as default

V_	V0	Numeric responses

	V1	Word responses

W_	W0	Report DTE speed only

	W1	Report line speed, error correction protocol,
		and DTE speed.

	W2	Report DCE speed only

X_	X0	Hayes Smartmodem 300 compatible
		responses/blind dialing.

	X1	Same as X0 plus all CONNECT
		responses/blind dialing

	X2	Same as X1 plus dial tone detection

	X3	Same as X1 plus busy detection/blind dialing

	X4	All responses and dial tone and busy signal
		detection

Z_	Z0	Reset and retrieve active profile 0

	Z1	Reset and retrieve active profile 1

32User Guide

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Contents User Guide Lenovo 3000 J Series Page Lenovo 3000 J Series Page Contents Iv User Guide Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Extension cords and related devices Plugs and outletsBatteries CD and DVD drive safety Heat and product ventilationAdditional safety information Lithium battery noticeTo connect To disconnect Modem safety information Laser compliance statementPower supply statement Overview Information resourcesXiv User Guide Installing options FeaturesConnectivity Operating systems, preinstalled varies by model Available options Specifications DimensionsWeight EnvironmentSupported operating positions Tools requiredHandling static-sensitive devices Installing external options Locating connectors on the rear of your computer Connector Description Obtaining device driversRemoving 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 Installing PCI adapters What to do nextSecurity features Password protection Changing the batteryPadlock Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsAdministrator or Supervisor Password Exiting from the Setup Utility program Selecting a startup deviceSelecting a temporary startup device Changing the startup device sequenceUser Guide Updating flashing Bios from a diskette Appendix A. Updating system programsSystem program User Guide Appendix B. Cleaning the mouse Cleaning an optical mouseCleaning a mouse with a ball User Guide Appendix C. Manual modem commands Basic AT commandsLow speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix C. Manual modem commands User Guide Appendix D. Notices Television output notice TrademarksIndex Page Page Part Number 41T3715