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QRP Labs QMX User Manual

QRP Labs QMX
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Page #87 background image
On opening the Log file application, the existing contents of the log file are displayed. When the
screen is full, it will scroll automatically; you can use the scroll bar of the window to see text that
has scrolled off the top of the screen if you wish. The current logging status is displayed in yellow
in the bottom right corner. In this example, the status is “ALL” which means that all events are
being logged.
The available keyboard commands are:
CTRL-Q: Quit the log file application screen (logging remains active, if enabled)
C: Clear the log file
A: Log all events
E: Log only error events
N: No logging at all (logging is switched off)
In the log file, each event is written as one line. There are several times of log file entry:
Errors have the line prefix “ERR:”
CAT commands are shown (semicolon terminated) followed by the command result, if any.
An unrecognized or invalid CAT command would be prefixed by the error code “ERR: “.
Radio state changes are indicated by the item being changed, followed by the new value.
Various examples from the screenshot above:
VFO.A 1840000 sets the VFO A frequency to 1.84 MHz
FA00001840000; CAT command from WSJT-X MHz
ERR: Band Error message “Band”
In this example, a CAT command was received from WSJT-X, to set the QMX to frequency 1.84
MHz. The CAT command is “FA00001840000;” - Note that the entries in the log file are not quite in
chronological order, since the VFO update event is printed BEFORE the CAT command event; the
reason for this is that the CAT evaluation must be completed in totality before the CAT command
log event takes place, because only then do we know if the CAT command was successful. The
final entry is an error message “Band” because 1.84 MHz is in the 160m band and this is not one
of the bands currently supported by QMX.
VFO.A 7074000 sets the VFO A frequency to 7.074 MHz
FA00007074000; CAT command from WSJT-X MHz
Band 40m Sets the band to 40m
The operator then realizes his error setting QMX to 160m in the WSJT-X drop-down and chooses
40m instead; this time the CAT command successfully sets frequency and band.
IF; IF00007074000 +00000000003000000 ;
Here the “IF;” or Information request CAT command is received from WSJT-X and QMX replies
with the CAT information string in the prescribed format.
For reasons known only to itself, WSJT-X likes to ask for the information screen multiple times in
quick succession even though the result is the same.
QMX operang manual; rmware 1_00_012 87

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QRP Labs QMX Specifications

General IconGeneral
BrandQRP Labs
ModelQMX
CategoryTransceiver
LanguageEnglish

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