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

 

 

 

52User Guide

Page 60
Image 60
Lenovo 4155, 4158, 4218 manual Low speaker volume

4218, 4155, 4158 specifications

Lenovo has long been recognized for its innovative approach to laptop and desktop manufacturing, delivering a combination of performance, reliability, and value. The Lenovo 4158, 4155, and 4218 models are a testament to this commitment. Targeting a variety of users, these devices cater to both business and personal needs, ensuring that users have the tools they require for productivity and entertainment.

The Lenovo 4158 series is particularly noteworthy for its lightweight design combined with robust performance. This model is equipped with the latest Intel processors, which provide quick responsiveness and efficient multitasking capabilities. Users can choose between various storage options, including solid-state drives (SSDs) for faster data access and traditional hard disk drives (HDDs) for larger storage capacities. The display is another highlight of the 4158, featuring an anti-glare screen that enhances usability in bright environments.

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Each of these Lenovo models supports a wide range of connectivity options, including Wi-Fi 6 for faster internet speeds and a Bluetooth option that enhances connectivity with various devices. The ergonomic keyboards across all models are designed for comfort, reducing fatigue during extended use.

In summary, the Lenovo 4158, 4155, and 4218 series exemplify Lenovo's dedication to delivering high-quality technology catering to diverse user needs. With their compelling features and robust build quality, these models are well-suited for students, professionals, and casual users alike. Whether it's for creative tasks, business utilization, or general computing, users can rely on Lenovo to provide the tools necessary for success.