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Section 3: Operation
3-6 RPMSP & CSP70-D100U User’s Manual
white (i.e., “crushed”). Conversely, low contrast causes dim images. See 3.5,
Adjusting the Image (Image Settings subsection).
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
Press
Menu
to enter or exit the projector’s menu system.
OSD (On-screen display)
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 Picture-in-Picture. PIP enables you to display two
different images simultaneously – typically a smaller “secondary” image within a
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
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..
Gamma
Menu
OSD
Shutter