AT Commands

 

Result Codes:

 

OK

n=0,1

 

ERROR Otherwise

Hn

Hook control

 

This command instructs the modem to go on-hook to disconnect a call, or

 

off-hook to make the phone line busy.

 

H0

Modem goes on-hook (default).

 

H1

Modem goes off-hook.

 

Result Codes:

 

OK

n=0,1

 

ERROR Otherwise

In

Request ID information

 

This command displays product information about the modem.

 

I0

Returns modem identity string and driver version number.

 

I3

Same as I0.

 

I9

Returns region ID in English.

Result Codes:

OK n=0,3,9

ERROR Otherwise

Ln Monitor speaker volume

This command sets speaker volume to low, medium, or high.

L0 Low volume.

L1 Low volume. (Same as L0)

L2 Medium volume (default).

L3 High volume.

Result Codes:

OK n=0,1,2,3

ERROR Otherwise

Mn Monitor speaker mode

This command turns the speaker on or off. M0 The speaker is off.

M1 The speaker is on until the modem detects the carrier signal (default).

M2 The speaker is always on when modem is off-hook.

M3 Speaker is on until the carrier is detected, except when dialing.

Result Codes: OK n=0,1,2,3 ERROR Otherwise

User’s Manual

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Toshiba U200 user manual Hook control, Request ID information, Ln Monitor speaker volume, Mn Monitor speaker mode

U200 specifications

The Toshiba U200 is a portable laptop that gained recognition for its combination of performance and versatility. Designed for both business professionals and everyday users, this sleek laptop integrates essential features that cater to a diverse range of applications.

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In terms of display, the U200 typically features a 12.1-inch widescreen LCD that delivers vibrant visuals and sharp text. The display supports a resolution that enhances clarity, making it suitable for multi-tasking, presentations, and media consumption. The screen's anti-glare coating helps to reduce reflections, making it usable in various lighting conditions.

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