Nec WT600 Manuel d'utilisateur télécharger pdf (Page 47)

6-10

Adjusting Color Temperature and White Balance

This feature adjusts the color temperature using the slide bar.

Checking "Color Temperature" enables the color temperature

slide bar and disables the “White Balance” button.

Clear “Color Temperature” and press the White Balance button

to access the Contrast/Brightness adjustment for each R, G,

and B.

NOTE: "Color Temperature" and "White Balance" are a trade-off.

The White Balance is not available for Viewer and LAN.

NOTE: When "Presentation" is selected, the available items are

"Gamma" and "White Balance" only.

Selecting Base Setting

This feature allows you to use color correction or gamma values

as reference data to optimize for various types of images. You

can select one of the following five settings.

• Presentation • sRGB • Graphic

• Video • Movie

Projector Options

Using 3D Reform

This feature corrects trapezoidal distortion so that the projected

image is rectangular.

Two options are available for correcting procedures.

You can save adjustment settings by using the 3D Reform Save

option on Setup (See page 6-17).

1. Correcting Pincushion Distortion

If the horizontal and vertical sides bend outwards, use Pincush-

ion to correct the distortion.

[Left/Right]

Correct the left and right side on a projected image to level as

shown in the drawing.

Screen (solid line)

Projected area

(dotted line)

[Top]

Correct the top side on a projected image to level as shown in

the drawing.

Screen (solid line)

Projected area

(dotted line)

[Bottom]

Correct the bottom side on a projected image to level as shown

in the drawing.

Screen (solid line)

Projected area

(dotted line)

NOTE:

• In the [Pincushion] screen, when the [Top] adjustment value is

"0", adjustment of [Bottom] will not be possible* .

Also note that when the adjustment value of the [Top] is a small

value (on the order of +5), there will be almost no change of the

image even when the [Bottom] is adjusted*.

• In [Pincushion] screen, when the [Bottom] adjustment value is

less than “0”, a small portion can be lost at the bottom area of the

image. To display the lost portion, use the [Digital Zoom] function

to reduce the size of the projected image.*

• When [Cornerstone] or [Keystone] has already been adjusted, se-

lection of [Pincushion] will not be possible. To display [Pincush-

ion], return the adjustment values of [Cornerstone] or [Keystone]

to the factory shipping conditions.

* Each note for [Top] and [Bottom] is reversed when the [Ceiling

Rear] or [Ceiling Front] is selected in [Orientation]

Reference

• Pincushion or barrel distortion in this projector

The amount of pincushion and barrel distortion in this projec-

tor is 2% or less (TV distortion) in each of the horizontal and

vertical directions (for screen sizes of 40 inches to 100 inches).

As an example, the amount of distortion with a screen size of

60 inches (121.9 cm/48.0” W x 91.4 cm/36.0” H) is within ap-

proximately 12 mm/0.47” in the horizontal direction and within

approximately 9 mm/0.35” in the vertical direction. When this

projector is used with a 60-inch screen size, the amount of

pincushion and barrel distortion become a minimum.

6. Using On-Screen Menu

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Nec WT600 Manuel d'utilisateur Page 47

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