The File Manager window will then open, and on my system looks like this:
QMX appears as a removable USB Flash device named “QMX”, and the folder two files. The
firmware file in this example is named shows a single file which is the firmware version file,
1_00_009.QMX in this example. The EEPROM file is always named EEPROM. You can read and
write EEPROM files in order to make and restore backup copies of your configuration etc.
The firmware file name must not be longer than 8 characters, and cannot contain punctuation
or spaces; the file extension must be no more than 3 characters. This is because the file system
emulation is FAT16 and these are the specifications of the FAT16 format.
You may check the properties of the file and will note that it is a 529K file. QMX firmware images
are always a 529K file. The creation date and modification date etc. have not been set, because it
was important to minimize the size and complexity of the QFU bootloader, in order to maximize
the space available to the application firmware.
You may copy the existing firmware file to another directory of your computer. Crucially, to do the
firmware update, all you need to do is copy the new firmware file to this QMX “Flash disk”.
Download the new firmware file from the QRP Labs website, unzip it, and simply drag it into the
folder where the existing firmware file version is shown. Or copy and paste it, however you wish.
The file on the QRP Labs website is a ZIPPED file, please be sure to unzip it to get the .QMX
file before copying it to QMX.
As soon as you copy the new file to the QMX QFU “flash drive”, the QMX QFU bootloader erases
the current program from its memory and installs the new one.
QMX operang manual; rmware 1_00_012 58
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