Correcting The Vertical Keystone Distortion - NEC HT410 User Manual

Focus
Use the Focus ring to obtain the best focus.
NOTE: In a ceiling mounted application, the zoom and focus adjustments may cause the projected image to shift down
slightly.
If this happens, adjust the lens shift again.

Correcting the Vertical Keystone Distortion

The Keystone correction feature will correct the vertical distortion of a projected image on the screen.
NOTE: Keystone angle can be corrected between 15 degrees upward and 15 degrees downward of projector tilt from level.
To correct keystone distortion using the KEYSTONE +/- button:
1. Press the KEYSTONE +/- button once to display the slide bar for adjustment.
2. Press the KEYSTONE + or - to correct the keystone distortion.
You can also correct keystone distortion by using the menu.
1. Press the MENU button to display the menu.
2. Use the SELECT G or H to select "Image" and then "Keystone".
NOTE: When this option is highlighted, pressing the ENTER button will display its slide bar for adjustment.
3. Press the SELECT F or E to correct the keystone distortion.
NOTE: You can save changes by using "Keystone Save" feature when you turn off the projector. See page E-36.
3. PROJECTING AN IMAGE (BASIC OPERATION)
E-26
NOISE RED.
ASPECT N.R. PICTURE
PIC-MUTE OFF TIMER
MUTE FREEZE TIMER
HELP
KEY STONE
VOLUME
LIGHT