ENGLISH - 632) Press the button.3) Press as to switch the item.f The items will switch each time you press the button.[ (Off)] Enables the button operations on the control panel or the remote control.[ (Projector)] Disables the button operations on the control panel.[ (Remote control)] Disables the button operations on the remote control.[Iris]Aperture correction and signal compensation are performed automatically based on the image to result in an image ofoptimum contrast.1) Press as to select [Iris].2) Press the button.3) Press as to switch the item.f The items will switch each time you press the button.[On] Corrects the aperture.[Off] No aperture correction.[Sound]You can perform more detailed setting for Audio.Adjusting the volume1) Press as to select [Sound].2) Press the button.f The [Sound] screen is displayed.3) Press as to select [Volume].4) Press the button.5) Press as to adjust the level.f You can also press the button on the remote control. (x page 48)Operation Adjustment RangePress the a button. Turns up the volume. 0 ~ +25Press the s button. Turns down the volume.Setting the mute1) Press as to select [Sound].2) Press the button.f The [Sound] screen is displayed.3) Press as to select [Mute].4) Press the button.5) Press as to switch the item.f The items will switch each time you press the button.f You can also press the button on the remote control. (x page 48)[On] Audio is not output.[Off] Audio is output.[HDMI Setup]Switch the setting when the external equipment is connected to the terminal of the projector and the image is notprojected correctly. Or switch the setting of the audio input.Chapter 4 Settings - [Setting] menu