36Front Panel InterfacePLM Series Operation M anual R ev 1.3.5Each button contains a tricolor LED which conveysfault and warning indications in addition to the mutestatus. The LED color does not necessarily cor-respond to the currently selected function.7.8.4.1 Mute FunctionsThe PLM provides mute functions at several different points in its audio chain. Please refer to section 6.1 forfurther information. The four types of mute are:1. PLM Input Mute2. Module Input Mute3. Module Output Mute4. Power Output MuteWith the exception of Module output mutes, all types may be controlled from the PLM front panel in MeterMode by activating MUTE ENABLE and selecting the associated input or output Meter View using theMETER button.Module input and output mutes can be controlled inMenu Mode via the MENU button. All mutes canalso be controlled from the Lake Controller.7.8.4.2 PLM Input MuteThe PLM input mute provides the ability to simultaneously mute/unmute all modules or outputs that aresourced from the PLM input. To mute or unmute the PLM inputs:1. Press METER until the Input Meter View is displayed2. Press MUTE ENABLE3. Use the associated dynamic function buttons to mute / unmute the PLM inputsThe PLM Input Mute is within the Lake Processingsystem, post input type selection, and pre inputmixing and routing.Please refer to the Lake Controller User Manual for details of mute selection via the software.