Christie Christie HD User Manual download pdf (Page 73)

Section 3: Operation

M Series User Manual 3-23

020-100009-08 Rev. 1 (05-2013)

3.6 Image Settings Menu

Use the Image Settings menu to alter your main

image without affecting its size or position.

Changes made are applied immediately and are

saved when you exit the menu (press E

XIT or

ENU). Options not available for the projector

model or source are disabled and appear dim

(grey).

3.6.1 Contrast

Contrast increases or decreases the perceived difference between light and dark areas of your image (0-100).

For best results, keep close to 50, start with a lower value and increase so that whites remain bright but are not

distorted or tinted, and that light areas do not become white.

NOTE: If the environment lighting changes, an adjustment of Gamma is recommended (see below).

3.6.2 Brightness

Increases or decreases the amount of black in the image (0-100). For best results, keep close to 50. Start with a

high value and decrease so that dark areas do not become black. Conversely, high brightness changes black to

dark grey, causing washed-out images.

3.6.3 Yellow Notch Filter (YNF)

YNF is a channel based control with an additional global control. It works on a “last request gets served” basis.

i.e. Enable YNF in the global control, YNF will be enabled. Thereafter; switch to a channel which does not use

YNF, the YNF filter will be removed (or disabled). Then change the global control, the YNF filter will do

whatever is requested; last request is honored.

3.6.4 Color Space

Determines how the color components of an analog input signal are decoded for accurate color in the display.

Useful only for analog signals and certain digital sources. Although color space for these analog signals is

automatically determined by the projector. You may wish to override this and manually set a color space.

NOTE: For some signals, the color space function is entirely automatic and the pull-down list is disabled.

The current color space appears in the Image Settings menu. Press E

NTER to select a different option:

• Select RGB unless you are using component video

• Select YPbPr (Video) with a standard definition televised signal (SDTV).

• Select YPbPr (HDTV) with a high definition televised signal (HDTV).

NOTE: When certain RGB signals are first connected, the projector may not recognize them as RGB and

will incorrectly decode their color information as YPbPr (video). These signals can include:

• RGB signals in NTSC, PAL, SECAM frequency ranges.

• Scan-doubled sync-on-green.

• Scan-quadrupled sync-on-green.

For these signals, change the color Space to RGB, and then define a new channel for future use.

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Christie Christie HD User Manual Page 73