\startmode[papersize-A4]
  \setuppapersize[A4][A4]
\stopmode

\startmode[papersize-letter]
  \setuppapersize[letter][letter]
\stopmode

\startmode[bodyfontsize-10pt]
  \setupbodyfont[10pt]
\stopmode

\startmode[bodyfontsize-11pt]
  \setupbodyfont[11pt]
\stopmode

\startmode[bodyfontsize-12pt]
  \setupbodyfont[12pt]
\stopmode

\startmode[bodyfonttype-modern]
  \usetypescript[modern][texnansi]
  \setupbodyfont[modern]
\stopmode

\startmode[bodyfonttype-postscript]
  \usetypescript[postscript][texnansi]
  \setupbodyfont[postscript]
\stopmode

\startmode[bodyfonttype-palatino]
  \usetypescript[palatino][texnansi]
  \setupbodyfont[palatino]
\stopmode

\startmode[showframe-yes]            \showframe            \stopmode
\startmode[showgrid-yes]             \showgrid             \stopmode
\startmode[showstruts-yes]           \showstruts           \stopmode
\startmode[showgridsnapping-yes]     \showgridsnapping     \stopmode
\startmode[showlayoutcomponents-yes] \showlayoutcomponents \stopmode

\startmode[showall-yes]
  \showframe 
  \showgrid 
  \showstruts 
  \showgridsnapping 
  \showlayoutcomponents
\stopmode
