Toshiba TDP-MT500 Gebruikershandleiding - Pagina 31

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To adjust the degree of white color (SET USER COLOR TEMP):

When setting (storing) user's preferable color temperatures, use "SET USER COLOR TEMP" in the PRO-

PICTURE menu.

(Refer to Page 26 for setting menus.)

To store the settings:

1 Bring up the PRO-PICTURE menu.

2 Select "SET USER COLOR TEMP" by pressing the {, } buttons.

3 Press the ENTER button.

• The SET USER COLOR TEMP menu appears.

4 Select a basic color temperature by pressing the {, } buttons.

• Generally, select the most preferable color temperature from the preset

color temperatures.

5 Press the ENTER button.

• The selected color temperature is indicated, and the whiteness of the

projected images changes according to the color temperature.

6 Select the item to be changed by pressing the {, } buttons.

7 Set the item by pressing the $, % buttons.

• The projected images also change accordingly.

8 Repeat the settings by repeating steps 6 and 7.

9 Select "USER 1" or "USER 2" by pressing the {, } buttons.

10 Press the ENTER button.

• The set color temperatures are stored in the memory.

To cancel the menus:

11 Press the MENU button.

To bring one of the set color temperatures:

Select "USER1" or "USER 2" in "SET USER COLOR TEMP" of the PRO-PICTURE menu.

On color temperatures

There are various degrees of white color. One of the methods of representing degree of white color is color

temperatures. The white color of low color temperature is reddish white, and that of high color temperature is

bluish white. In this projector, the color temperatures are set by varying each gain and bias of R (red), G

(green), and B (blue) signal.

To make the color temperature higher:

Set the value of B GAIN (or B BIAS) larger, and the value of R GAIN (or R BIAS) smaller.

To make the color temperature lower:

Set the value of R GAIN (or R BIAS) larger, and the value of B GAIN (or B BIAS) smaller.

One method of adjusting color temperatures is to make use of a person's skin color. Project a large still

picture of a human face on the screen, and adjust the color tone of the face so that it looks neutral.

Generally, the gains are used to adjust bright pictures, and the biases are used to adjust dark pictures.

•

Using the biases is effective in adjusting color of monotone pictures. (It is especially effective for adjusting

•

dark to intermediate portions.) For example, when the green is relatively strong, decrease the value of R

BIAS, or increase the values of both B BIAS and R BIAS evenly. Also, when the projected images are bluish,

decrease the value of B BIAS, and when they are reddish, decrease the value of R BIAS.

USING THE MENUS

SET USER COLOR TEMP

LOAD FROM

HiBrt

Std

Low

USER1

R GAIN

G GAIN

B GAIN

R BIAS

G BIAS

B BIAS

USER1

SAVE TO

USER2

+256

+45

USER2