You need to use the Save settings button to store these settings
in a 'preferences' file. Note that some
of them are overridden if you also use a 'setup' file. If you save the preferences file under the default name 'Labhelper prefs', it will be used automatically at program launch (if it is in the same folder as the LabHelper app). You can save other preferences files, with different file names, and load them from the FILE menu.
LabHelper preference files have this icon: