If you're having problems understanding the manual, perhaps others are as well. Hopefully most vendors don't have a probl;em with constructive suggestions on how to improve the product or documentation. It could be a language issue if the person isn't a native English speaker, who knows. Discussing  it in the forum over there or with the vendor directly could help everyone.

"Democracy is a pathetic belief in the collective wisdom of individual ignorance." - H. L. Mencken