120V
TEST SCREEN
DVD is one of the highest quality sources ever madeand evenly changing from black to white, goingSharpness Adjustment
available for in-home playback of prerecorded picturesfrom left to right.
and sound. In order to make certain that your homeContrary to intuition, the picture will appear sharper
Contrast Adjustment:and clearer with the sharpness, or Edges, setting
theater system is fully optimized to take advantage of1. Adjust the contrast on your TV until you see a brightbacked off from the maximum setting. Reduce the
DVDOs superb picture quality, the DVD 27 offers a
built-in video test signal that makes it easy to calibratewhite bar in the lower right corner of the screensharpness setting on your television, and the Edges
and a deep-dark-black bar to the left. The optimalsetting on the DVD 27 video adjustments menu if nec-
your TV or video display for proper playback.
contrast setting will depend on your preference andessary, to minimize the appearance of any white lines
Test Screenthe surrounding light in the TV room.between the bars in the gray scale portion of the test
screen.
With the test screen showing on your video display, the2. If the brightness of the white bar no longer increases
when the contrast is turned up or the borders of theConvergence and Edge Focus
following adjustments may be made:
white Oharman/kardon� letters on top bloom (over-The crosshatch pattern that surrounds the test screen
Y The proper color intensity setting on your TV.light) into the black areas (drastically decreasing
may be used to evaluate edge focus and convergence
Y Proper color adjustments using the color bars, whichthe sharpness of the type), the contrast has beenin front- or rear-projection video displays. However, the
should be (left to right) black, white, yellow, cyanturned up too much. Reduce the contrast untilcontrols used to adjust these parameters are often not
(turquoise), green, magenta, red, blue, black.these effects disappear and the video still looks
user-accessible. In any event, these adjustments are
Y The proper color transition, seen as sharp realistic.extremely complex, and require proper training and
separation of the bars.3. If you are watching TV with customary surroundingexperience to avoid worsening the situation. Therefore,
daylight, adjust the contrast so that a normal videoit is recommended that if you are unable to improve
Y The performance of the color circuits in your TV picture has about the same look as the surround-the picture using the available controls, contact the
(with OVideo� signals); bar edges should show
no vertical crawling dots.ings in your room. That way the eye is relaxedvideo display manufacturerOs authorized service repre-
when watching the TV picture. This contrast settingsentative for assistance.
With the gray scale and the black/white fields belowmay be reduced when the surrounding light is
When all desired setup and configuration entries have
the color bars, the brightness and contrast of yourdimmed, thereby usually improving the sharpnessbeen made, use the �U Navigation Buttons n
screen can be adjusted.of a video significantly.
until ODone� is highlighted at the bottom of the Video
NOTE: Most of the video adjustments using the4. The gray scale in the middle line needs to have Adjustments submenu. Press the Enter Button s
DVD 27Os test screen should be made using the the same clear difference between each bar asto select it to return to the on-screen menu system.
controls on your video display, with the DVD 27Os before the contrast adjustment. If not, go back toThen, press the Setup Button j to remove the
controls set at their factory default position in the OBrightness Adjustment� and repeat Step 3 andmenu displays from the screen. The unit will return to
center. If necessary, you may tweak the brightness then OContrast Adjustment,� making only minornormal operation and you are ready to enjoy the finest
and sharpness using the controls found in theadjustments each time for optimization.in DVD or CD playback!
DVD 27Os video adjustments menu.Color Adjustment
1. When the brightness and contrast are set optimally,
turn up the color control to the level of your prefer-
ence. Adjust to the level where 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 while 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 veg-
Figure 9etables, and other common natural articles for an
TV Picture Adjustment With Test Screenoptimal setting of the color intensity.
Brightness Adjustment:
2. Use the large white bar below the gray scale to
1. Turn down the color control on your TV until thetweak the warmth of the picture. Every viewer has a
color bars are visible in black and white.preference as to how the glow of the picture should
2. Adjust the contrast on your TV to the lowest levelbe. Some prefer a little colder picture, some a
where you still can see all bars within the gray scalewarmer glow. The Tint function on your TV and the
in the test picture separately and clearly.white bar can be used to control this. Adjust the Tint
to the level where you feel the white color has the
3. Adjust the brightness using the DVD 27 videotone you prefer.
adjustments control so that the bars in the gray
scale are all visible. The bar furthest 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
TEST SCREEN 22
Color BarsGray Scale100%Black/WhiteFields |
ACEC
