The Settings menu allows you to load, save and set RDB-Salv's defaults.
These operations will only work if RDB-Salv has an icon as the defaults are stored there. The advantage of this is that the defaults can be set externally --- and they need to be in some cases (see section Installation).
If you have deleted the icon, then defaults for RDB-Salv cannot be stored there. As you'll have to start RDB-Salv from the CLI anyway, you can include the options on the command line.
This option saves GUI-setable values to RDB-Salv's icon. If there is no icon, then an error message to that effect will appear.
Retrieves settings from the values in RDB-Salv's icon. If the icon doesn't exist, an error message to that effect will appear.
This option sets all GUI-setable values to default. These values are reasonable defaults for RDB-Salv.