Epson 100" EpiqVision Ultra LS500 4000-Lumen Pixel-Shift 4K UHD 3LCD Laser Projector TV System with 100" Screen (White Projector) - Manual (Page 104)

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Projector Feature Settings - Settings Menu
Options on the Settings menu let you customize various projector features.
Setting Options Description
Installation Guide — Displays an on-screen guide with
instructions for installing and
positioning the projector.
Keystone H/V-Keystone
Quick Corner
Adjusts image shape to
rectangular (horizontally and
vertically)
H/V-Keystone : lets you manually
correct horizontal and vertical
sides
Quick Corner : select to correct
image shape and alignment
using an on-screen display
Blanking Varying levels available Covers part of the image with a
blank (black screen). You can set
the top, bottom, left, or right of
the image