NEC NP-P502WL Users Manual - Page 34

(6) Correcting Keystone Distortion [KEYSTONE], button to select [VERTICAL] and then use

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2. Projecting an Image (Basic Operation) ❻ Correcting Keystone Distortion [KEYSTONE] When the projector is not exactly perpendicular to the screen, keystone distortion occurs.To overcome it, you can use the "Keystone" function, a digital technology that can adjust for keystone-type distortion, resulting in a crisp, square image. The following procedure explains how to use the [KEYSTONE] screen from the menu to correct trapezoidal distortions. When the projector is placed diagonally to the screen, When the projector is set up at an angle in relation to the screen, adjust the Horizontal option of the Keystone menu so that the top and bottom of sides of the projected image are parallel. 1. When APPS is not selected as source and the menu is not displayed on, press the ▼ button on the projector cabinet. The Keystone screen will be displayed on the screen. • Press the KEYSTONE button when using the remote control. • See page 22 for [RESET]. 2. Press the ▼ button to select [VERTICAL] and then use the ◀ or ▶ so that the left and right sides of the projected image are parallel. Screen frame * Adjust the vertical keystone distortion. Projected area 3. Align the left (or right) side of the screen with the left (or right) side of the projected image. • Use the shorter side of the projected image as the base. • In the right example, use the left side as the base. Align left side 21

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21
2. Projecting an Image (Basic Operation)
❻
Correcting Keystone Distortion [KEYSTONE]
When the projector is not exactly perpendicular to the screen, keystone distortion occurs.To overcome it, you can use the
“Keystone” function, a digital technology that can adjust for keystone-type distortion, resulting in a crisp, square image.
The following procedure explains how to use the [KEYSTONE] screen from the menu to correct trapezoidal distortions.
When the projector is placed diagonally to the screen,
When the projector is set up at an angle in relation to the screen, adjust the Horizontal option of the Keystone menu
so that the top and bottom of sides of the projected image are parallel.
1. When APPS is not selected as source and the menu is not dis-
played on, press the
▼
button on the projector cabinet.
The Keystone screen will be displayed on the screen.
•
Press the KEYSTONE button when using the remote control.
•
See page
22
for [RESET].
2. Press the
▼
button to select [VERTICAL] and then use the
◀
or
▶
so that the left and right sides of the projected image are parallel.
*
Adjust the vertical keystone distortion.
Projected area
Screen frame
3. Align the left (or right) side of the screen with the left (or right)
side of the projected image.
•
Use the shorter side of the projected image as the base.
•
In the right example, use the left side as the base.
Align left side