Christie Roadie HD+35K User Manual page 78

Section 3: Operation
Gamma Key
Press the G
AMMA
"Gamma" determines what gray shades to display between minimum output (black) and maximum output
(white) for a given signal. The proper setting helps maintain optimized blacks and whites while ensuring a
smooth transition for the "in-between" values utilized in colors. Thus, unlike brightness and contrast setting
controls, the overall tone of your images can be lightened or darkened without changing these two extremes,
and all images become more vibrant yet with good detail in dark areas.
Gamma Table
The normal
washes out the image and it becomes difficult or impossible to see details in dark areas, lower the gamma
setting to compensate. Conversely, if the image is washed out and unnatural, with excessive detail in black
areas, increase the Gamma setting. Again, good gamma improves contrast while maintaining good detail for
blacks.
Menu Key
Press the M
ENU
system.
OSD (On-Screen Display) Key
Press the OSD + the D
use.
Menu
To see the
• Press and hold OSD for a second or two
• Press and release OSD followed immediately by the UP Arrow key
• Press OSD twice quickly
Invisible menus are fully functional, enabling "hidden" access to numbered features and image adjustments by
entering the corresponding sequence of keypresses on the remote.
NOTES: 1)
With OSD "ON", you can still hide on-screen error messages and direct slidebars within the
Preferences
projector.
Shutter Key
Press and hold the S
shutter blade closed or open with a single keystroke. Or press and release the S
immediately by the UP Arrow key (to close) or D
This is useful if you are unsure of the present state. Alternatively, press the S
from the present ON/OFF state. Close the shutter to blank all display while maintaining access to projector
functions. A closed shutter blanks the display (turns it to black) and reduces lamp power to 60% of the
maximum rating for 4.5 and 6.0 kW lamps (or 75% for 2.0 and 3.0 kW lamps). Opening the shutter restores
lamp power to its previous setting, and restores the image.
NOTES 1)
: The status of the shutter is shown in the LCD display window at the rear of the projector as"SH" if
closed.
3-12
key on the standard IR remote to define the Gamma setting to best suit your environment.
setting of 2.2 is correct for most signals and conditions. If excess ambient light
key on either the built-in keypad and standard IR remote to enter or exit the projector's Menu
OWN
Arrow key on the standard IR remote to hide the projector's
system again, do one of the following:
menu. 2) The state of the on-screen display is shown in the LCD window at the rear of the
HUTTER
key on the standard IR remote for a second or two to toggle the internal mechanical
2)
The shutter opens upon power-up.
OWN
Arrow key (to open) to guarantee the correct toggle.
Menu
system during
HUTTER
key followed
HUTTER key twice quickly to toggle
Roadie HD+35K User Manual
020-100340-02 Rev. 1 (01-2010)
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