Juergen Spitzmueller wrote: > Zhang Weiwu wrote: > > >> If I follow the "User's Guide", go to "Document" -> "Setting", and >> change font to "helvet", and "Save", and view the output in postscript >> (Ctrl+t), the document is the same (still use a san-serif font). Then I >> go to "Document" -> "Setting" to check again, and discovered font >> setting is still "default". It was as if the setting I made was ignored. >> > > Which version of LyX? In 1.5.x, you have to change the "default family" > to "sans serif". In earlier versions, you have to add the line > \renewcommand{\familydefault}{\sfdefault} > to the preamble. >
Thank you for prompt answer. I am using 1.4.3 and I have used the second solution (preamble) and it works!