mpo.</td>
            </tr>
            <tr>
                <td class="legend-control-column">P10</td>
                <td class="legend-explanation-column">Track window.</td>
            </tr>
            <tr>
                <td class="legend-control-column">F1-8</td>
                <td class="legend-explanation-column">Track volume.</td>
            </tr>
            <tr>
                <td class="legend-control-column">F9</td>
                <td class="legend-explanation-column">Master volume.</td>
