doc: Add device label

It is required for the user to know the MAC address since it is used to
calculate the IPv6 address required for streaming audio to the device
without additional network configuration.

Thus a label containing the MAC address has to be added to the device.

1 files changed, 13 insertions, 0 deletions

diff --git a/doc/documentation.tex b/doc/documentation.tex
index a912235..935c450 100644
--- a/doc/documentation.tex
+++ b/doc/documentation.tex
@@ -378,6 +378,19 @@ reboot
 After this reboot the soundbox device should be able to play audio like
 described in section~\ref{playing-audio}.
 
+\section{Device label}
+
+A device label has to be added to the \texttt{soundbox} device after assembly
+to let the user reference and access the device by the MAC address.
+
+\begin{verbatim}
+soundbox <version>
+MAC: <mac-address>
+\end{verbatim}
+
+The current version \texttt{\input{../version.txt}} and the MAC address noted down in
+\autoref{retrieve-mac} should be used.
+
 \chapter{Developer documentation}
 
 \section{Versioning}