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UC864-E/G/WD/WDU AT Commands Reference Guide

80304ST10041a Rev. 7 - 2010-10-14

3.3. Storage

3.3.1. Factory Profile And User Profiles

The Telit wireless modules stores the values set by several commands in the internal

non volatile memory (NVM), allowing to remember this setting even after power off.

In the NVM these values are set either as factory profile or as user profiles: there

are two customizable user profiles and one factory profile in the NVM of the

device: by default the device will start with user profile 0 equal to factory profile.

For backward compatibility each profile is divided into two sections, one base

section which was historically the one that was saved and restored in early releases

of code, and the extended section which includes all the remaining values.

The &W command is used to save the actual values of both sections of profiles into

the NVM user profile.

Commands &Y and &P are both used to set the profile to be loaded at startup. &Y

instructs the device to load at startup only the base section. &P instructs the device

to load at startup the full profile: base + extended sections.

The &F command resets to factory profile values only the command of the base

section of profile, while the &F1 resets to factory profile values the full set of base +

extended section commands.

The values set by other commands are stored in NVM outside the profile: some of

them are stored always, without issuing any &W, some other are stored issuing

specific commands (+CSAS, #SLEDSAV, #VAUXSAV, #SKTSAV, #ESAV and

$GPSSAV); all of these values are read at power-up.

The values set by following commands are stored in the profile base section:

GSM DATA MODE : +CBST

AUTOBAUD : +IPR

COMMAND ECHO: E

RESULT MESSAGES: Q

VERBOSE MESSAGES: V

EXTENDED MESSAGES: X

FLOW CONTROL OPTIONS: &K, +IFC

DSR (C107) OPTIONS: &S

DTR (C108) OPTIONS: &D

DCD (C109) OPTIONS : &C

RI (C125) OPTIONS : \R

POWER SAVING: +CFUN

DEFAULT PROFILE: &Y0

S REGISTERS: S0;S1;S2;S3;S4;S5;S7;S12;S25;S30;S38

CHARACTER FORMAT: +ICF

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