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RV-M7 Technical Manual

11. M7 Diagnostic Provisions

11.1 Overview of Diagnostics

Internal to the M7 radio modem, is a powerful 32-bit microprocessor. Along with handing all

aspects of radio modulation and demodulation, the microprocessor also maintains an extensive

array of diagnostic information.

This section details the diagnostic information available, and describes how to us the information to

optimize or troubleshoot a M7 radio network.

11.2 Reading the Diagnostic Information

M7 diagnostic information is read using AT commands, while the unit is in the Command Mode.

Refer to the section “User Serial Port Commands” to learn how to put the M7 modem into the

Command Mode.

To see a general overview of how the modem has been operating, us the ATST command (status

request command), without any parameter. The radio modem will respond with a list of certain

operation statistics that it maintains. All statistics start counting at 0. The ATST 1 command can be

used to reset all statistics back to 0, except the run-time timers.

Other operation and configuration statistics are available using the ATST command, with a

parameter to specify the desired statistic. The following table describes the various statistics

available.

11.3 Status and Statistics Command

Command

Command Description

Response

General Communication Statistics – This command will cause the

M7 to output a table of various operational statistics.

Statistics

overview screen

ST1

GPS Statistics – Statistics related to the GPS operation, if installed.

GPS Statistics

overview screen

ST2

Low-level internal statistics – Returns various low-level statistics.

These are subject to change in various firmware revisions.

Low-level

statistics screen

ST3

Compile date and time – Returns the data and the time that the

firmware was compiled.

Date and time

ST4

Run Time – Returns the amount of time that the modem has been

powered up and running.

Run time display

screen

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