Canon LV 7490 - Manual (Page 45)

VIDEO Input
45
VIDEO Input
Keystone
This function is used to adjust keystone
distortion of the projected image. Use the
Point ▲▼ buttons to choose the item you want
to adjust.
Keystone
To correct keystone distortion, press the OK
button.
Keystone appears on the screen. Use the
Point ▲▼ buttons to correct keystone
distortion (p. 25).
Store
To store or reset the keystone correction,
press the Point ► button.
Store .......... Keep the keystone correction
even when the AC power cord
is unplugged.
Reset .......... Release the keystone correction
when the AC power cord is
unplugged.
Keystone
Ceiling
Rear
When this function is set to On, the picture
will be top/bottom and left/right reversed. This
function is used to project the image from a
ceiling-mounted projector.
Ceiling
When this function is set to On, the picture will
be left/right reversed. This function is used to
project the image from rear of the screen.
Rear
To reset the adjusted data, select Reset
and press the OK button. A confirmation box
appears and then select “Yes”. All adjustments
will return to their previous figures.
Reset