NEC GT6000 Using On-ScreenMenu, 8-10, Selecting Gamma Correction Mode, Selecting Color Correction

8. Using On-Screen Menu

Selecting Gamma Correction Mode

Use the ￿ or ￿ buttons to choose one mode from three options. Each mode is recommended for :

Dynamic	For true color reproduction of natural tones
Natural	Normal settings

Black Detail . For dark portions of a picture

Selecting Color Correction

Adjusts red, green, blue, yellow, magenta, cyan and color gain each independently to correct the tint of the whole screen.

Adjusting Color Temperature

This feature adjusts the color temperature using the slide bar. Checking "Color Temperature" enables the color temperature slide bar.

Adjusting White Balance

Press the White Balance button to access the Contrast/Bright- ness adjustment for each R, G, and B.

NOTE: The White Balance is not available for Viewer and LAN.

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	• Graphic	• Movie
• sRGB	• Video

Image Options

Pixel Adjust

Displays the Clock and Phase adjustments.

Clock ........... Use this item to fine tune the computer image or

to remove any vertical banding that might ap- pear.

Phase .......... Use this item to adjust the clock phase or to re-

duce video noise, dot interference or cross talk. (This is evident when part of your image appears to be shimmering.) Use the ￿ and ￿ buttons to adjust the image.

Use "Phase" only after the "Clock" is complete.

Position

Adjusts the image location horizontally and vertically using the SELECT ￿and ￿ buttons.

Aspect Ratio

You can select the aspect ratio for input signal.

Select the appropriate aspect ratio using the SELECT ￿ or ￿ button.

NOTE: When "Resolution" is set to "Native", this feature is not available, and the aspect ratio is set to “1.33:1 (4:3)”.

NOTE: When “S2” is selected in “S-Video Mode Select” and the S2 signal is de- tected, this feature is not available.

Resolution

This allows you to activate or deactivate the Advanced AccuBlend feature.

Auto	Turns on the Advanced AccuBlend feature. The
	projector automatically reduces or enlarges the
	current image to fit the full screen.
Native	Turns off the Advanced AccuBlend feature. The
	projector displays the current image in its true
	resolution.

NOTE:

*When "Resolution" is set to "Native", "3D Reform", "Aspect Ratio", "Screen" and "Overscan" are not available.

*While you are displaying an image with higher resolution than the projector's native resolution (GT6000: SXGA+ and GT5000: XGA), "Resolution" is not avail- able.

Overscan

Select overscan percentage (0%, 5%, 10% and 25%) for signal.

NOTE: When "Resolution" is set to "Native", this feature is not available, and the stored settings and adjustments are invalid.

NOTE: The "0%" option may not be available depending upon the input signal.

Video Filter (not available for Video, Component, Viewer and LAN)

This function reduces video noise.

Off	The filter is removed.
Less	The low-pass filter is applied partially.
More	The low-pass filter is applied fully.

Blanking

This feature allows you to mask any unwanted area of the screen image.

Adjust the Top, Bottom, Left or Right blanking with the SELECT

￿or ￿ button.

Option Adjust

Clamp Timing

According to the signal, this function sets the detection position (i.e., clamp position) of the black level reproduction of the analog input signal. Normally this is not used.

Mode 0-4 ..... Select the appropriate one.

Adjust .......... This permits the video clamp position for each

signal to be set. Use "Adjust" when a clamp tim- ing error occurs at the time of special analog sig- nal reception such as 1080P. Note that "Adjust" is not valid for doubler signals such as NTSC and PAL.

To delete the "Clamp Timing" setting screen, select the SELECT

￿button and press the ENTER button, or press the remote con- trol CANCEL button.

8-10