O P E R A T I N G F O R M S C H A P T E R 9
Morse Definition Editor
The Morse definition editor allows you to define and even redefine almost all of the characters in the sixty-
four-character set. The combo box control to the right of the cyan indicator lets you view and select any of
the characters in the set. Each one is displayed as four fixed width fields separated by the | character. There
are five special control characters that you may not change and they have an * in the element field.
Once you have selected the character that you wish to edit, left click to select and then right click to bring up
the editor dialog.
Figure 130: CW Definition Editor
The editor dialog example above shows the ‘]’ character being changed to send didahdidah which is the
German code for ä (umlaut a). When your definition appears to be correct, click the Save button and the
definition file will be resaved to the disk.
The definition file is called morsedef.txt and can be found in the same folder as PowerSDR.exe
and PowerSDR.mdb. It will not be automatically carried from one version to the next so if you
make many changes you might want to save a copy elsewhere.
The morsedef.txt file can be manually edited with a simple character editor like notepad (not
Word), but the format must be followed exactly. Each line must be 26 characters long, not including
the two end-of-line codes. It is not free-formatted. The line structure is: a two-digit number field (the
decimal ASCII code) | a one-character code field | a nine character elements field | a ten-character
comment field preceded by a space and followed by a carriage return and linefeed code. If you mess
this file up too badly, simply close PowerSDR, delete morsedef.txt, and a clean, default copy will
be created the next time you start. The editor makes simple changes relatively easy to do.
128 FlexRadio Systems
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