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MPTP | MPTP commands 62

Command format

Length: 4 characters

Command*

?EMG

*) cf. section 3.1 for description of this field.

4.5. Status and information commands

Status and information commands can be used for sending different kinds of status information to a

Control Centre. Typically, such messages are used for reporting the status of a task the Mobile Telematics

Terminal’s user is performing. Requesting and sending information about the terminal itself is also

common.

The following kinds of status and information commands are available:

• Status report (!STA)

Typically used for informing the Control Centre about task status. Some instruments also use this

command for automatically reporting various device events such as connecting to a charger, or a

change in the status of an input pin.

• Device information report (!INF)

Used for automatically informing the Control Centre about status of the instrument.

The sections below describe these command types in detail.

4.5.1. Status report (!STA)

MTT → CC

The status report command can be sent by a Mobile Telematics Terminal to inform a Control Centre

about the status of a task the user is performing, or the status of the terminal itself.

A status report is sent when the user selects a user interface function to initiate it, or when an event such

the status of an input pin changing has been programmed to cause it.

A similar command, the device information report, is used for reporting some device triggered events.

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Benefon TWIG INBOX Instrukcja Użytkownika Strona 62