31Operation Buttons1.2.3 4.5.6Conference SeriesSelecting the Input Signal SourceUsing the Operation ButtonsMuting the SoundPress VOLUME / to adjust the volume.Press MUTE to temporarily turn off the sound.Press MUTE again to turn the sound back on.1.2.3 4.5.6Conference SeriesProjector Remote ControlProjector Remote ControlVOLUMEbuttonsMUTEbutton1.2.3 4.5.6Projector Remote ControlINPUTbuttonsAdjusting the VolumePress INPUT 1.2.3 or INPUT 4.5.6 again to change themode.• When no signal is received, “NO SIGNAL” will be displayed.When a signal that the projector is not preset to receive isreceived, “NOT REG.” will be displayed.INPUT 1 Mode INPUT 2 Mode INPUT 3 ModeINPUT 4 Mode INPUT 5 Mode INPUT 6 ModeOn-screen DisplayOn-screen DisplayOn-screen Display