Christie Mirage 304K User Manual page 33

Adjusting vertical keystone
Use vertical keystone to correct a keystoned image shape in which the 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.
If vertical keystone adjustments have been made, starting horizontal keystone adjustments erases the
vertical settings.
1. Select MENU > Configuration > Geometry Correction > Geometry Correction Mode.
2. Select Vertical Keystone Correction.
3. From the correction dialog, adjust the vertical keystone by using the arrow keys.
4. Select Apply Changes.
Adjusting horizontal keystone
Use horizontal keystone 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.
If horizontal keystone adjustments have been made, starting vertical keystone adjustments erases the
horizontal settings.
1. Select MENU > Configuration > Geometry Correction > Geometry Correction Mode.
2. Select Horizontal Keystone Correction.
3. From the correction dialog, adjust the horizontal keystone by using the arrow keys.
4. Select Apply Changes.
Resetting keystone correction
Reset keystone to revert the distorted image shape back to default values.
Pressing Func+Help on the IR remote keypad disables all geometry corrections (warping, keystone,
and black level blending) without changing the settings associated with them.
1. Select MENU > Configuration > Geometry Correction.
2. Select Reset Keystone Correction.
3. At the confirmation prompt, select Reset.
Mirage 304K (Bm.1) User Guide
020-101778-12 Rev. 1 (04-2020)
Copyright © 2020 Christie Digital Systems USA, Inc. All rights reserved.
Adjusting the image
33