Canon 4K6021Z User Manual page 86

Adjusting the Image
3
Press the pointer buttons to adjust the corner, and then press the OK
button.
Remote control
[Zoom] (P128) is not available when [Keystone] is set to [Corner adjustment].
Resetting the Keystone Adjustment
First, press the KEYSTONE button on the
remote control twice to display the
[Keystone reset] window.
Next, select [OK] with the [ ] button, and
then press the OK button.
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