Option (1) -- Determines whether a filename header will be printed by 
default before each picture is printed.  Whatever is chosen as the default 
can be toggled by the command line H option.

Option (2) -- Determines whether a formfeed will be sent to the printer by 
default after each picture is printed.  If this option is set to NO, a 
formfeed will be sent only after three pictures (that is, three pictures 
will be printed per page).  Whatever is chosen as the default can be 
toggled by the command line F option.