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Operation
50 CX-70DHD Installation/Operation Manual
PRE
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Table 4-2 lists the x- and y-coordinates for each color temperature preset.
• Backlight: The Backlight control changes the apparent brightness of the displayed
image. Its effect is similar to that of a lamp intensity control on a projector. Use a higher
setting for rooms with a lot of ambient light. Use a lower setting for more “theater-like”
viewing conditions (little or no ambient light).
Input Image: The Input Image controls are functionally similar to those in the Picture
menu (refer to page 40), but are accessible only by entering the Calibration menu
passcode.
Input Color: The Input Color controls are similar to those in the Display Color menu (see
above), but adjust the color balance of the incoming signal. These settings are also saved
independently for each input and display mode.
•Gain/Offset (HD1, HD2 and Component/SCART inputs only): These controls
operate similarly to those in the
Display Color menu (described on page 48), but affect
the Y, Pb and Pr signal components rather than the red, green and blue channels.
• Chroma Delay: use the Chroma Delay control to correct a mis-aligned image from a
Composite or S-Video source. Chroma delay in an image causes color shifts to occur
to the left of the vertical edge transitions, producing artificial shadows or a “halo” effect.
If necessary, adjust this setting to eliminate them.
•Noise Filter: To apply noise filtering to the input signal, select Noise Filter from the
Input Color menu. The Noise Filter is useful for clearing up noisy images from 480i
video sources.
Use the left- or right-arrow buttons to select the desired amount of noise reduction,
keeping in mind that higher settings (which reduce high frequencies) may also “soften”
the image.
Save ISF Night/Save ISF Day: Whenever you make a change to the ISF settings, you
should always save it. Select
Save ISF Night or Save ISF Day from the Calibration menu to
do this.
Table 4-2. Color Temperature Presets and Associated Color Points
Color Temperature Preset
Associated x/y Values
x y
3200K 0.423 0.404
5500K 0.332 0.348
6500K 0.313 0.329
To prolong the life of the display, set the Backlight only as high as is
necessary to produce the desired brightness.
The Input Image settings establish the “zero point” for the Picture
menu settings, whose values represent offsets from the Input
Image settings. For example, if you set Brightness to 10 in this
menu, setting Brightness to 10 in the Picture menu results in an
actual setting value of 20 (10+10).
Tip
Note