Canon LX-MH502Z Users Manual - Page 30

Correcting keystone, to correct keystoning at the top of

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Correcting keystone Keystoning refers to the situation where the projected image becomes a trapezoid due to angled projection. Use the keystone keys on the projector or remote control to display the keystone page. After the keystone page is displayed, press to correct keystoning at the top of the image. Press to correct keystoning at the bottom of the image. Press / . Press / . • You can correct the vertical keystone. However, the adjustment ranges are limited in such correction. • When the keystone adjustment is carried out, the adjustment value is indicated. Note that this value doesn't mean a projection angle. • The allowable range of the adjustment value in the keystone adjustment varies depending on the installation conditions. • Images may not be projected in a shape of a regular rectangle or with its aspect ratio 4:3, depending on the installation conditions of the projector and the screen. • When the keystone adjustment takes effect, the resolution decreases. In addition, stripes may appear or straight lines may bend in images with complicated patterns. They are not due to product malfunctions. • Noise may appear on the screen during the keystone adjustment because of the type of the video signal being projected and the setting values of the keystone adjustment. In such cases, set the keystone adjustment values in the range where the image is displayed without noise. • When the keystone adjustment is carried out, the image may not be displayed correctly because of the type of input signal. 30 Positioning your projector

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30
Positioning your projector
Correcting keystone
Keystoning refers to the situation where the projected image becomes a trapezoid due to
angled projection.
Use the keystone keys on the projector or remote control to
display the keystone page. After the keystone page is
displayed, press
to correct keystoning at the top of the
image. Press
to correct keystoning at the bottom of the
image.
• You can correct the vertical keystone. However, the adjustment ranges are limited in such
correction.
• When the keystone adjustment is carried out, the adjustment value is indicated. Note that this
value doesn’t mean a projection angle.
• The allowable range of the adjustment value in the keystone adjustment varies depending on
the installation conditions.
• Images may not be projected in a shape of a regular rectangle or with its aspect ratio 4:3,
depending on the installation conditions of the projector and the screen.
• When the keystone adjustment takes effect, the resolution decreases. In addition, stripes may
appear or straight lines may bend in images with complicated patterns. They are not due to
product malfunctions.
• Noise may appear on the screen during the keystone adjustment because of the type of the
video signal being projected and the setting values of the keystone adjustment. In such cases,
set the keystone adjustment values in the range where the image is displayed without noise.
• When the keystone adjustment is carried out, the image may not be displayed correctly
because of the type of input signal.
Press
/
.
Press
/
.