Lenovo 8799, 8009, 8795, 8791, 8807, 8803 Extended AT commands, Enable RTS/CTS hardware flow control

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Extended AT commands

Command

 

Function

 

 

 

&C_

&C0

Force Carrier Detect Signal High (ON)

 

 

 

 

&C1

Turn on CD when remote carrier is present

 

 

 

&D_

&D0

Modem ignores the DTR signal

 

 

 

 

&D1

Modem returns to Command Mode after DTR

 

 

toggle

 

 

 

 

&D2

Modem hangs up, returns to the Command

 

 

Mode after DTR toggle

 

 

 

 

&D3

Resets modem after DTR toggle

 

 

 

&F_

&F

Recall factory default configuration

 

 

 

&G_

&G0

Guard tone disabled

 

 

 

 

&G1

Guard tone disabled

 

 

 

 

&G2

1800 Hz guard tone

 

 

 

&K_

&K0

Disable flow control

 

 

 

 

&K3

Enable RTS/CTS hardware flow control

 

 

 

 

&K4

Enable XON/XOFF software flow control

 

 

 

 

&K5

Enable transparent XON/XOFF flow control

 

 

 

 

&K6

Enable both RTS/CTS and XON/XOFF flow

 

 

control

 

 

 

&M_

&M0

Asynchronous operation

 

 

 

&P_

&P0

US setting for off-hook-to-on-hook ratio

 

 

 

 

&P1

UK and Hong Kong off-hook-to-on-hook ratio

 

 

 

 

&P2

Same as &P0 setting but at 20 pulses per

 

 

minute

 

 

 

 

&P3

Same as &P1 setting but at 20 pulses per

 

 

minute

 

 

 

&R_

&R0

Reserved

 

 

 

 

&R1

CTS operates per flow control requirements

 

 

 

&S_

&S0

Force DSR Signal High (ON)

 

 

 

 

&S1

DSR off in command mode, on in on-line

 

 

mode

 

 

 

&T_

&T0

Ends test in progress

 

 

 

 

&T1

Perform Local Analog Loopback Test

 

 

 

 

&T3

Perform Local Digital Loopback Test

 

 

 

 

&T4

Grant Remote Digital Loopback Test request

 

 

by remote modem

 

 

 

 

&T5

Deny Remote Digital Loopback Test request

 

 

 

 

&T6

Perform a Remote Digital Loopback Test

 

 

 

 

&T7

Perform a Remote Digital Loopback Test and

 

 

Self-Test

 

 

 

 

&T8

Perform Local Analog Loopback Test and

 

 

Self-Test

 

 

 

&V

&V0

Displays Active and Stored Profiles

 

 

 

Appendix A. Manual modem commands 59

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Contents User Guide Types 8009, 8791, 8795 Types 8803, 8807 Page User Guide Types 8009, 8791, 8795 Types 8803, 8807 Page Contents Appendix A. Manual modem Appendix B. Notices Conditions that require immediate action Important safety informationService General safety guidelinesPower cords and power adapters Extension cords and related devices Plugs and outletsBatteries Heat and product ventilation CD and DVD drive safetyLithium battery notice Additional safety informationLaser compliance statement Modem safety informationPower supply statement Introduction Xiv User Guide Arranging your workspace ComfortGlare and lighting Electrical outlets and cable lengths Air circulationConnecting your computer Setting up your computerPhone Line Setting up your computer User Guide 1394 Turning on power Finishing the software installationCompleting important tasks Shutting down the computer Installing other operating systemsUpdating your operating system Updating your antivirus softwareUser Guide Features Installing optionsVideo subsystem Operating systems, preinstalled varies by model type Available options SpecificationsHandling static-sensitive devices Supported operating positionsLocating the connectors on the front of your computer Installing external optionsLocating the connectors on the rear of your computer Obtaining device drivers Connector DescriptionOpening the cover Identifying parts on the system board Locating componentsInstalling memory User Guide What to do next Installing a PCI adapterWhat to do next Installing an optical drive User Guide Integrated cable lock Security featuresChanging the battery Password protectionInstalling options Erasing a lost or forgotten password clearing Cmos Closing the cover and connecting the cables User Guide Creating and using product recovery discs Recovering softwareBackup and recovery Using the Rescue and Recovery workspace Creating and using rescue media Solving recovery problemsTo use rescue media, do one of the following Creating and using a Recovery Repair disketteSetting a rescue device in the startup sequence Recovering or installing device driversRecovering software User Guide Using passwords Using the Setup UtilityStarting the Setup Utility program Viewing and changing settingsSelecting a startup device User PasswordAdministrator Password Setting, changing, and deleting a passwordAdvanced settings Exiting from the Setup Utility programChanging the startup device sequence User Guide Using system programs Updating flashing Bios from a disketteUpdating system programs User Guide Basic troubleshooting Troubleshooting and diagnosticsDiagnostic programs PC-Doctor for DOS PC-Doctor for WindowsRunning diagnostics from the CD or diskettes Cleaning the mouseNon-optical mouse Optical mouseUser Guide ThinkVantage Productivity Center Getting information, help, and serviceInformation resources Online Books folderAccess Help Warranty and safetyHelp and service Calling for service Using the documentation and diagnostic programsPurchasing additional services Using other servicesBasic AT commands Appendix A. Manual modem commandsLow speaker volume Enable RTS/CTS hardware flow control Extended AT commands+MS=? MNP/V.42/V.42bis/V.44 commandsFax Class 2 commands Fax Class 1 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Trademarks Television output noticeDVD IndexSoftware Page Part Number

8803, 8799, 8795, 8812, 8807 specifications

Lenovo has made significant strides in the smartphone market over the years, and among its noteworthy models are the Lenovo 8807, 8803, 8795, 8812, and 8791. Each of these devices brings a unique set of features, technologies, and characteristics that cater to different user preferences.

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Lastly, the Lenovo 8791 targets a niche market with its focus on durability. Built with military-grade materials, it is resistant to water, dust, and drops. This rugged smartphone is perfect for outdoor enthusiasts and those who work in challenging environments. Furthermore, it has enhanced battery management, allowing for extended usage in remote areas without frequent charging.

In summary, Lenovo's lineup including the 8807, 8803, 8795, 8812, and 8791 showcases the brand’s commitment to producing devices that meet diverse user needs, whether in terms of performance, design, or durability. Each model represents a blend of technology and practicality, making Lenovo a competitive player in the smartphone market.