Christie M Series User Manual page 91

top and bottom borders of the image are unequal in length, and both sides of the image are inclined toward the
top or bottom edge.
Horizontal keystone is used to correct a keystoned image shape in which the left and right borders of the image
are unequal in length, and the top and bottom are slanted to one of the sides.
All settings to adjust keystone are in the Geometry Correction submenu. Brightness Uniformity, Edge
Blending and Black Level Blending should be disabled before performing Keystone adjustments.
Adjust An Image For Keystone Correction
1. Enable keystone adjustments by selecting Keystone from the Geometry Correction drop down list.
NOTE: This will enable the controls for performing 1D or 2D keystone adjustments.
2. Select a test pattern.
NOTE: It is recommended to use the Grid test pattern.
3. Perform coarse keystone adjustment by using the Horizontal or Vertical Adjust setting. Use the left and
right arrow keys to make the adjustment.
NOTE: The corner cursors are a guide as to how the image will be adjusted. The outside edge of a cursor
will be the outside edge of the image. It may not be possible to exactly match the screen dimensions with
the Horizontal and Vertical Keystone controls, but these settings can be refined when the 2D keystone
settings are adjusted.
4. When adjustment of the corners is complete, select OK.
NOTE: A message will be displayed indicating that the projector is "Processing request". The settings are
applied to the displayed image, and will take approximately 10 seconds. If Vertical Keystone adjustments
have been made, starting to do any Horizontal Keystone adjustments will erase the Vertical settings, and
vice versa.
5. After the Horizontal or Vertical adjustments have been made, selecting 2D Keystone adjustments will
retain these settings. Fine adjustment can now be made by moving any single corner separately.
6. Use the arrow keys to move to the required corner.
NOTE: The current corner will be displayed in red.
7. Press E
NTER
NOTE: The current corner will be displayed in green.
8. Use the arrow keys to move the selected corner to match the screen.
9. Press E
NTER
M Series User Manual
020-100009-08 Rev. 1 (05-2013)
to select the corner.
again, to save that position for the corner.
Section 3: Operation
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