+ indicator that can be clicked to enable or disable that send and has
+ a menu (mouse button 1) with items for that send:
+ <ul>
+ <li><kbd class="menu">Copy track/bus gain to send</kbd> Sets the gain
+ on the send to be the same as the gain of the track or bus the send
+ comes from for the current Foldback bus</li>
+ <li><kbd class="menu">Set send gain to -inf</kbd> sets the send gain
+ for the current Foldback bus to -inf (the lowest gain possible)</li>
+ <li><kbd class="menu">Set send gain to 0dB</kbd> sets the send gain
+ for the current Foldback bus to 0dB</li>
+ <li><kbd class="menu">Remove This Send</kbd> removes the send from the
+ sending track or bus.</li>
+ </ul></li>