0 at commands, At commands, Family reference and programming manual – ScanTool STN1100 FRPM User Manual

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5.0 AT Commands

This section lists the AT commands supported by

the STN11xx. Every effort was made to maintain
compatibility with legacy ELM327 software, and for
most purposes, these commands work exactly as

described in the ELM327 datasheet. Please refer to the
“AT Commands” section of the ELM327 datasheet for
the complete description of the AT command set.

Asterisk (*) marks default setting.


General Commands

Command Description

Status

<CR>

Repeat last command

supported

BRD hh

Try baud rate divisor hh

supported

BRT hh

Set baud rate timeout

supported

D

Set all settings to defaults

supported

E 0/1

Echo off/on*

supported

FE

Forget events

not applicable

I

Print ELM327 version ID string

supported

1

L 0/1

Linefeeds off*/on

supported

LP

Enter low power mode

supported

M 0/1

Memory off/on*

supported

WS Warm

start

supported

Z Reset

device

supported

@1

Display device description

supported

2

@2

Display device identifier

supported

@3 cccccccccccc

Store device identifier

supported


Programmable Parameter Commands

Command Description

Status

PP xx OFF

Disable PP xx

supported

PP FF OFF

All PPs off

supported

PP xx ON

Enable PP xx

supported

PP FF ON

All PPs on

supported

PP xx SV yy

For PP xx, set value to yy

supported

PPS

Print PP summary

supported


Voltage Reading Commands

Command Description

Status

CV dddd

Calibrate voltage to dd.dd volts

supported

RV Read

voltage

supported


Other Commands

Command Description

Status

IGN

Read SLEEP input level

supported


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