BenQ W1210ST User Manual - Page 23
Correcting keystone, KEYSTONE
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Correcting keystone Keystoning refers to the situation where the projected image is noticeably wider at either the top or bottom. It occurs when the projector is not perpendicular to the screen. To correct this, besides adjusting the height of the projector, you may correct this manually in ONE of these ways: • Use the remote control Press KEYSTONE to display the Keystone window. • Using the projector Press / or / to display the Keystone window. Press for 2 seconds to reset The illustrations below show how to correct keystone distortion: use or / use or / • To correct keystoning at the top of the image, use or / . • To correct keystoning at the bottom of the image, use or / . • To reset the keystone values, press BACK for 2 seconds. When done, press BACK to save your changes and exit. Operation 23