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Multi-Tech Systems MTSGSM User Manual

Page 31

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Chapter 5 - AT Commands, S-Registers, and Error Codes

MTSGSM

31

ATS

Access an S-register

Syntax

ATSn=s where n is the S-register to be accessed and s is the value to be set or a ?
to read the register value.

Description

The ATS command is used to read and write the values of the S-registers.

ATSn=sWrite the value s to S-register number n.
ATSn=?Read and display the number stored in S-register number n.

ATZ

Reset modem

Syntax

ATZ

Description

The ATZ command resets the modem. The default settings are restored. The Z
command is equivalent of restarting the modem.

A/

Execute previous command again

Syntax

A/

Description

Execute previous command again. This command reexecutes the last command that

was executed by the modem. This command shall not be followed by a carriage
return.

&F

Load factory settings

Syntax

AT&F

Description

The AT&F command restores the factory (default) settings of the modem. This
includes restoring all the S-registers to their default settings.

&J

Telephone jack selection

Syntax

AT&J

Description

The AT&J command has no meaning and is implemented only for compatibility

reasons.

&K

Select flow control

Syntax

AT&K

Description

The AT&K command has no meaning and is implemented only for compatibility

reasons.

\N

Select error control

Syntax

AT\Nn where n is as follows

Description

The AT\N command is used to select the mode of error control.
AT\N0 Transparent mode, no error correction
AT\N1 Transparent mode, no error correction
AT\N2 Non-transparent mode ie RLP (Radio Link Protocol)
AT\N3 Non-transparent mode ie RLP (Radio Link Protocol)
AT\N4 Non-transparent mode ie RLP (Radio Link Protocol)
AT\N5 Non-transparent mode ie RLP (Radio Link Protocol)

E

Command echo

Syntax

ATEn where n is as follows.

Description

The ATE command enables or disables the echo of characters to the DTE. This

value is stored in S-register 14 bit 1.
ATE0

Disable command echo

ATE1

Enable command echo. This is the default.