Chapter 4 Settings — [POSITION] menuENGLISH - 83[KEYSTONE] [SUB KEYSTONE][LINEARITY]Notef The menu or logo may run off the screen when adjustments are performed with [KEYSTONE(3D)].f Correcting up to ±40° for the tilt in the vertical direction is available in the adjustments with [KEYSTONE(3D)]. However, the image qualitywill degrade and it will get harder to focus with more correction. Install the projector so that the correction will be as small as possible. (Thecorrection is ±30° when the fixed-focus lens (Model No.: ET-DLE055) or ultra-short focus zoom lens (Model No.: ET-DLE085) is used.)f Screen size will also change when [KEYSTONE(3D)] is used to perform various adjustments.f When the keystone is corrected with [KEYSTONE(3D)], the edge blending cannot be adjusted together.f Aspect ratio of the image size may shift depending on the correction or lens zoom value.f [KEYSTONE(3D)] is selectable only when a 3D image is displayed. The setting is invalid while a 2D image is displayed.However, when [DUAL (LEFT)] or [DUAL (RIGHT)] is set to [3D SYSTEM SETTING], [KEYSTONE(3D)] cannot be selected.f When executing the keystone correction while displaying a 2D image, set with [GEOMETRY(2D)].f For the portrait setting, keystone is corrected for horizontal tilt.[KEYSTONE](Only for PT-DW830E, PT-DX100E)You can correct the keystone distortion that occurs when the projector is installed tilted or when the screen is tilted.1) Press as to select [KEYSTONE].2) Press the button.f The [KEYSTONE] screen is displayed.3) Press as to select the item to adjust.4) Press qw to adjust.[KEYSTONE] [SUB KEYSTONE][LINEARITY]Notef The menu or logo may run off the screen when adjustments are performed with [KEYSTONE].f Correcting up to ±40° for the tilt in the vertical direction is available for adjustments with [KEYSTONE]. However, the image quality willdegrade and it will get harder to focus with more correction. Install the projector so that the correction will be as small as possible. (Thecorrection is ±30° when the fixed-focus lens (Model No.: ET-DLE055) or ultra-short focus zoom lens (Model No.: ET-DLE085) is used.)f Screen size will also change when [KEYSTONE] is used to perform various adjustments.f When the keystone is corrected with [KEYSTONE], the edge blending cannot be adjusted together.f Aspect ratio of the image size may shift depending on the correction or lens zoom value.f For the portrait setting, keystone is corrected for horizontal tilt.