Harman Kardon DVD 38 User Manual download pdf (Page 30)

INITIAL SETUP

“7.5 to 100” complies with NTSC standards for video with “setup”, and

may be more appropriate when you are only using the composite or

S-video output with a display that has limited video processing capability.

Changes to any of the settings may be made with a test disc or broad-

cast signal playing, or you may use the internal test screen by using the

Navigation Buttons to highlight the word OFF next to the TEST SCREEN

line. Press the Enter Button and the setting will change to ON. A special

combination test screen, including both color bars and gray scale along

with 100% black and white fields, will be displayed behind the Video

Adjustments banner. See Figure 28. If the Video Adjustments banner

disappears from view after a few seconds, press any button on the

remote to restore it so that you can make any necessary changes.

Figure 28 – Video Test Screen

With the test screen showing on your video display, the following

adjustments may be made:

• The proper color intensity setting on your TV.

• Proper color adjustments using the color bars, which should be

(left to right) black, white, yellow, cyan (turquoise), green, magenta,

red, blue, black.

• The proper color transition, seen as sharp separation of the bars.

• The performance of the color circuits in your TV (with “Video”

signals); bar edges should show no vertical crawling dots.

With the gray scale and the black/white fields below the color bars, the

brightness and contrast of your screen can be adjusted.

IMPORTANT NOTE: Video adjustments for all sources should

be made using the controls on your video display. Use the

DVD 38’s Video Adjustments Banner only if additional minor

corrections are needed when DVDs are played.

Brightness Adjustment

1. Turn down the color control on your TV until the color bars are

visible in black and white.

2. Adjust the contrast to the lowest level where you still can see

all gray scale bars separately and clearly.

3. Adjust the brightness so that the bars in the gray scale are all

visible. The bar farthest to the left has to be as black as possible

rather than gray but the next gradation must clearly be distinct from

it. All the bars in the gray scale should be gradually and evenly

changing from black to white, left to right.

Contrast Adjustment

1. Adjust the contrast on your TV until you see a bright white bar in

the lower right corner of the screen and a deep-dark-black bar to

the left. The optimal contrast setting will depend on your preference

and the surrounding light in the TV room.

2. If the brightness of the white bar no longer increases when the

contrast is turned up or the borders of the white “harman/kardon”

letters on top bloom (overlight) into the black areas (drastically

decreasing the sharpness of the type), the contrast has been turned

up too much. Reduce the contrast until these effects disappear and

the video still looks realistic.

3. If you are watching TV with ambient daylight, adjust the contrast

so that a normal video picture has about the same look as the

surroundings in your room. That way the eye is relaxed when

watching the TV picture. This contrast setting may be reduced

when the surrounding light is dimmed, thereby usually improving

the sharpness of a video significantly.

4. The gray scale in the middle line needs to have the same clear

difference between each bar as before the contrast adjustment.

If not, go back to “Brightness Adjustment” and repeat Step 3 and

then “Contrast Adjustment,” making only minor adjustments each

time for optimization.

Color Adjustment

1. When the brightness and contrast are set optimally, adjust the color

control to the level of your preference. Set the level so that the colors

look strong but still natural, not overdone. If the color level is too

high, depending on the TV, some of the bars will seem wider or the

color intensity will not increase when the control is turned up. Then

the color control must be reduced again. Ultimately, you also should

test the color intensity with a video – e.g., pictures of natural faces,

flowers, fruit and vegetables, and other common natural articles for

an optimal setting of the color intensity.

2. Use the large white bar below the gray scale to tweak the warmth

of the picture. Every viewer has a preference as to how the glow of

the picture should be. Some prefer a colder picture, some a warmer

glow. The Tint function on your TV and the white bar can be used to

control this. Adjust the Tint to the level where you feel the white

color has the tone you prefer.

Sharpness Adjustment

Contrary to intuition, the picture will appear sharper and clearer with the

sharpness, or Edges, setting backed off from the maximum setting.

Reduce the sharpness setting on your television, and the Edges setting

on the DVD 38 video adjustments menu if necessary, to minimize the

appearance of any white lines between the bars in the gray scale portion

of the test screen.

Convergence and Edge Focus

The crosshatch pattern that surrounds the test screen may be used to

evaluate edge focus and convergence in front- or rear-projection video

displays. However, the controls used to adjust these parameters are

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Harman Kardon DVD 38 User Manual Page 30

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