Changing The Gamma Curve; Making The Low Tone Adjustments; Adjusting The Pedestal Level (Black Level); Adjusting The Colors - NEC 42XR4A Manual De Funcionamiento

Changing the Gamma Curve

This feature adjusts the brightness of the midtone areas
while keeping shadows and highlights unchanged.
Example: Setting "2.3"
Set "ADVANCED OSM" to "ON" in the FUNCTION menu.
On "GAMMA" of "PICTURE" menu, select "2.3".
PICTURE
PICTURE MEMORY
CONTRAST
BRIGHTNESS
SHARPNESS
COLOR
TINT
NR
COLOR TEMP.
CINEMA MODE
PICTURE MODE
GAMMA
LOW TONE
SET UP LEVEL
COLOR TUNE
SEL. ADJ.
Information
GAMMA settings
The picture becomes darker as the number increases
(in the sequence of 2.1, 2.2, 2.3, 2.4).
* These values are approximate.

Making the Low Tone adjustments

This feature allows more detailed tone to be reproduced
especially in the dark area.
* This function is available only for 50 and 61 inches.
Example: Setting "2"
Set "ADVANCED OSM" to "ON" in the FUNCTION menu.
On "LOW TONE" of "PICTURE" menu, select "2".
PICTURE
PICTURE MEMORY
CONTRAST
BRIGHTNESS
SHARPNESS
COLOR
TINT
NR
COLOR TEMP.
CINEMA MODE
PICTURE MODE
GAMMA
LOW TONE
SET UP LEVEL
COLOR TUNE
SEL. ADJ.
Information
LOW TONE settings
AUTO: Will automatically appraise the picture and
make adjustments.
1: Will apply the dither method suitable for still pictures.
2: Will apply the dither method suitable for motion
pictures.
3: Will apply the error diffusion method.
: OFF
: 52
: 32
: 16
: 32
: 32
R G
: OFF
: MIDDLE
: ON
: NORMAL
: 2.3
: AUTO
: 0%
EXIT RETURN
: OFF
: 52
: 32
: 16
: 32
: 32
R G
: OFF
: MIDDLE
: ON
: NORMAL
: 2.2
: 2
: 0%
RETURN
EXIT
En-21

Adjusting the pedestal level (black level)

This feature adjusts the video black level in a video image.
Example: Setting "3.75%"
Set "ADVANCED OSM" to "ON" in the FUNCTION menu.
On "SET UP LEVEL" of "PICTURE" menu, select "3.75%".
PICTURE
PICTURE MEMORY
CONTRAST
BRIGHTNESS
SHARPNESS
COLOR
TINT
NR
COLOR TEMP.
CINEMA MODE
PICTURE MODE
GAMMA
LOW TONE
SET UP LEVEL
COLOR TUNE
SEL. ADJ.
Information
SET UP LEVEL settings
0%: Normal status
3.75%: 3.75% lower than normal
7.5%: 7.5% lower than normal

Adjusting the colors

Use this procedure to adjust hue and color density for red,
green, blue, yellow, magenta and cyan without changing
the white point.
You can accentuate the green color of trees, the blue of
the sky, etc.
Example: Adjusting the color tune for blue
Set "ADVANCED OSM" to "ON" in the FUNCTION menu.
On "PICTURE" menu, select "COLOR TUNE", then press
the MENU/ENTER button.
The "COLOR TUNE" screen appears.
On "BLUE" of "COLOR TUNE", adjust the color tune.
COLOR TUNE
RED
GREEN
BLUE
YELLOW
MAGENTA
CYAN
RESET
SEL. ADJ.
Information
COLOR TUNE settings
RED: Adjusts hue of Red
GREEN: Adjusts hue of Green
BLUE: Adjusts hue of Blue
YELLOW: Adjusts hue of Yellow
MAGENTA: Adjusts hue of Magenta
CYAN: Adjusts hue of Cyan
RESET: Resets settings to the factory default value.
Use and buttons to select "ON", then press the
MENU/ENTER button.
: OFF
: 52
: 32
: 16
: 32
: 32
R G
: OFF
: MIDDLE
: ON
: NORMAL
: 2.2
: AUTO
: 3.75%
EXIT RETURN
: 32
Y M
: 32
C Y
: 20
M C
: 32
G R
: 32
R B
: 32
B G
: OFF
EXIT RETURN