Yamaha QL5 Reference Manual - Page 10

 FADER field This field enables you to make settings for the channel on/off status and the level. 2 1 Fader Displays the current level. Use the faders on the top panel to set the levels. 1 3 2 Level indicator Displays the current level setting by numerical value. If the signal is clipping at any point in the channel, the ΣCLIP indicator will light. 3 ON button Switches the channel on or off. The button is linked with the corresponding [ON] key on the top panel.  DCA/MUTE field This field enables you to select the DCA or mute group to which the 1 channel is assigned. 1 Tabs Select a DCA or mute group. Press the selected tab once again 3 to open the DCA/MUTE GROUP ASSIGN MODE window. When the DCA group tab is selected: 2 DCA group select buttons Select the DCA group to which the channel is assigned. 2 3 Mute group indicators Indicate the mute group to which the channel is assigned. When the mute group tab is selected: 4 Mute group select buttons Select the mute group to which the channel is assigned. 5 NOTE If the dimmer level is set to the mute group, this button lights orange. 5 MUTE SAFE button 6 4 Temporarily removes the channel from the mute group. 6 DCA group indicators Indicate the DCA group to which the channel is assigned. 10 SELECTED CHANNEL section Reference Manual