3.15.1.3 Example showing a complete screenlist

  <screenlist default="HOME">
    <screen id="HOME">
      <row>
        <button src="GRP1" label="Group 1" target="G1SCREEN" />
        <button src="GRP2" label="Group 2" target="G2SCREEN" />
      </row>  
    </screen>
    <screen id="G1SCREEN">
      <row>
        <button src="MNC1" label="Station A" />
        <button src="MNC2" label="Station B" />
      </row>  
      <row>
        <button />
        <button target="HOME" label="Top View" />
      </row>  
    </screen>
    <screen id="G2SCREEN">
      <row>
        <button src="MNC3" label="Station C" />
        <button src="MNC4" label="Station D" />
      </row>  
      <row>
        <button />
        <button target="HOME" label="Top View"/>
      </row>  
    </screen>
  </screenlist>