Canon LV-7275 EN - Manual (Page 42)


. Projectng an Image (Basc Operaton)
Adjusting with the Auto Keystone Function
The Auto Keystone correction feature will correct the vertical distortion of a projected image on the screen. No
special operation required. Just put the projector on a flat surface.
TIP: Even when the menu setting for [Auto keystone] is turned on, [Keystone adjustment] can be adjusted manually.
To turn off [Auto keystone], proceed the following steps.
1. Press the MENU button
the menu will be displayed.
2. Press the button to select [Setup] and press the OK button.
the [general] tab will be highlighted.
3. Press the button.
the [auto keystone] will be highlighted.
4. Press the OK button to display the [Auto keystone] screen.
5. Press the or button to select [Off] and press the OK button.
6. Press the MENU button.
the menu will be closed.
NOTE:
• Vertical distortions between offset angles of +/- 30 degrees can be corrected.
The range of keystone correction is not the maximum tilt angle of projector.
• The Auto Keystone correction will take effect in 2 seconds after changing the projection angle during projection.
• The left and right (horizontal) keystone correction is not available.
Place the projector so that the lens surface is parallel to the screen.
The rear feet of the projector can be adjusted to level the projector.
NOTE:
• Auto and Manual Keystone correction angle could be less than 30 degrees depending on the signal and/or aspect ratios.
• Using keystone correction can cause the image to be slightly blurred because the correction is made electronically.
NOTE:
• When the menu is displayed, the Keystone Correction operation is not available by using the buttons on the projector cabinet.
When the menu is displayed, press the BACK button to close the menu and then perform the Keystone correction.
• From the menu, select [Setup] → [General] → [Keystone adjustment]. The changes can be saved with [Keystone save].
See page 57 .
NOTE: If you have one of the following conditions, the projector's Auto
Keystone may not be performed correctly.
- the screen is tilted
- the room temperature is too high or too low
- the optical zoom is maximized or minimized