echosounder object.
"summary"(object, ...)"echosounder", usually, a result of
a call to read.echosounder, read.oce, or
as.echosounder.echosounder data: [[,echosounder-method,
[[<-,echosounder-method,
as.echosounder,
echosounder-class,
echosounder, findBottom,
plot,echosounder-method,
read.echosounder,
subset,echosounder-method