used; must be one of \code{"raw"}, \code{"N"}, \code{"TS"},
\code{"TV"}, \code{"JC69"}, \code{"K80"} (the default),
\code{"F81"}, \code{"K81"}, \code{"F84"}, \code{"BH87"},
used; must be one of \code{"raw"}, \code{"N"}, \code{"TS"},
\code{"TV"}, \code{"JC69"}, \code{"K80"} (the default),
\code{"F81"}, \code{"K81"}, \code{"F84"}, \code{"BH87"},