\documentclass{beamer}
\usepackage{cleveref}

\crefname{equation}{Eq}{Eqs}

\begin{document}

\label[asd]{sec:cleveref}

\cref{eq:test}
\crefrange{eq:test}{eq:test2}

\nameCrefs{eq:test}
\nameCref{eq:test}
\namecrefs{eq:test}
\namecref{eq:test}
\lcnamecrefs{eq:test}
\lcnamecref{eq:test}

Spelling error here: FooBar
\Cref{FooBar}

\end{document}
