ENGLISH - 57f [Closed caption] can only be selected if an NTSC signal is input.f If [Closed caption] is set to the item except for [Off], the brightness of image may be changed according to the externaldevices or the used content of the closed caption corresponding connection.f Closed captions are not displayed when the menu screen is displayed.[Key lock]Enable/disable the button operations on the control panel and the remote control.1) Press as to select [Key lock].2) 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.[Terminal](Only for PT-LW330, PT-LW280, PT-LB360 and PT-LB330)The terminal on the back of the projector is switchable for computer 2 input or monitor output.1) Press as to select [Terminal].2) Press the button.3) Press as to switch the item.f The items will switch each time you press the button.[Monitor out] Outputs the RGB signal which have been input terminal.[Computer 2] When input the computer signal.Notef The [Terminal] will be unavailable when [Computer 2] is selected as input source.[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 41)Chapter 4 Settings - [Setting] menu