%% Example of Hierarchy
% This example models a stereo system consisting of an AM radio, an FM
% radio, and a CD player. During simulation, you control the stereo system
% by clicking buttons on the Media Player Helper user interface.
%
% <<../sfcdplayergui.png>>

% Copyright 2019-2020 The MathWorks, Inc.

%% 
% The stereo is initially in standby mode (OFF). When you select one of the
% Radio Request buttons, the stereo turns on the corresponding
% subcomponent. If you select the CD player, you can click one of the CD
% Request buttons to choose Play, Rewind, Fast-Forward, or Stop. You can
% insert or eject a disc at any point during the simulation.