          <li class="second-level "><a href="../../../printed-user-guide.html">Printed User Guide</a></li>
                        
                    
                </ul>
            </li>
        
        
        
            <li class="first-level">
                <button  type="button" class="collapse-button active-collapse-button">User Guide</button>
                <ul class="collapsible-content collapsible-content-active">
                    
                        
                        <li