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AT Command Reference Guide for EDGE Wireless ... - wless.ru

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Chapter 2 – Configuration <strong>Command</strong>s<br />

Chapter 2. Configuration<br />

<strong>Command</strong>s<br />

The <strong>AT</strong> commands described in this chapter allow the external application to determine the modem’s behavior under<br />

various conditions.<br />

2.1 <strong>AT</strong>&F Set All Current Parameters to<br />

Manufacturer Defaults<br />

Description:<br />

<strong>AT</strong>&F sets all current parameters to the manufacturer defined profile. All defined GPRS<br />

contexts which are not activated or not online will be “undefined” (see <strong>AT</strong>+CGDCONT).<br />

Exec <strong>Command</strong> Syntax: <strong>AT</strong>&F[value]<br />

Response:<br />

OK<br />

Parameter Description:<br />

<br />

0 Sets all TA parameters to manufacturer defaults.<br />

Notes:<br />

• List of parameters reset to manufacturer default can be found in Section 20.6, Factory Default Settings<br />

Restorable with <strong>AT</strong>&F.<br />

• In addition to the default profile, you can store an individual one with <strong>AT</strong>&W. To alternate between the two<br />

profiles enter either <strong>AT</strong>Z (loads user profile) or <strong>AT</strong>&F (restores factory profile).<br />

• Every ongoing or incoming call will be terminated.<br />

2.2 <strong>AT</strong>&V Display Current Configuration<br />

Description:<br />

Exec <strong>Command</strong> Syntax:<br />

Response:<br />

<strong>AT</strong>&V returns the current parameter setting. The configuration varies depending on<br />

whether or not PIN authentication has been done and whether or not Multiplex mode is<br />

enabled (see <strong>AT</strong>+CMUX).<br />

<strong>AT</strong>&V[value]<br />

Active Profile (See Section 2.2.1 <strong>AT</strong>&V responses)<br />

OK<br />

Parameter Description:<br />

:<br />

0 Profile number<br />

Notes:<br />

• The value of \Q (flow control) is also determined by the <strong>AT</strong>+IFC command. In case the value set by <strong>AT</strong>+IFC<br />

cannot be represented by a \Q equivalent, \Q255 will be displayed.<br />

The parameters of <strong>AT</strong>^SMGO can only be displayed after the SMS data from the SIM have been read<br />

successfully <strong>for</strong> the first time. Reading starts after successful SIM authentication has been per<strong>for</strong>med, and may<br />

take up to 30 seconds depending on the SIM used. While the read process is in progress, an attempt to read the<br />

parameter will result in empty values.<br />

• The parameter of <strong>AT</strong>+CSDH will only be displayed in SMS text mode, see <strong>AT</strong>+CMGF.<br />

Multi-Tech Systems, Inc. <strong>AT</strong> <strong>Command</strong>s <strong>for</strong> <strong>EDGE</strong> Modems (S000371B) 19

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