Section 3: Operation
white (i.e., “crushed”). Conversely, low contrast causes dim images. See 3.5, Adjusting the Image (Image Settings subsection).
Gamma Gamma
NOTE: This is the same as “Gamma” in the Image Settings Menu. “Gamma” determines what gray shades are displayed between minimum input (black) and maximum input (white) for a given amount of signal. The proper setting helps maintain optimized blacks and whites while ensuring a smooth transition for the “in- between” values utilized in colors and grays. Thus, unlike brightness and contrast settings controls, the overall tone of an image can be lightened or darkened without changing the two extremes, and your images will be more vibrant yet with good detail in dark areas.
The normal gamma setting of 2.5 is correct for most signals and conditions. If excess ambient light washes out the image and it becomes difficult or impossible to see details in dark areas, lower the gamma setting to compensate. This will improve contrast ratio while maintaining good details for blacks.
Menu | Menu |
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| Press | Menu | to enter or exit the projector’s menu system. |
OSD | OSD | ||
| Press | OSD | to hide the projector’s menu system during use. To see the menus |
| again, do one of the following: | ||
• Press and hold OSD briefly
•Press and release followed immediately by 
•Press OSD OSD
Invisible menus are fully functional, enabling “hidden” access to numbered features and image adjustments by entering the corresponding sequence of keypresses on the keypad.
NOTES: 1) With OSD “on”, you can still hide error messages and slidebars by disabling these options in the Menu Preferences menu.
PIP
Press 
to enable and disable
large “primary” background. When a menu control or slidebar is present, press 
to toggle the current function to affect the other image.
NOTE: Disable PIP and Best Switching for Interlaced sources > 35 kHz.
Shutter Shutter
NOTE: There is no shutter in these products. However, pressing the Shutter key will blank the display (turns it black), while maintaining access to projector functions. Press the key again to restore the image..
