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3-12
Roadie HD+35K User Manual
020-100340-02 Rev. 1 (01-2010)
Section 3: Operation
Gamma Key
Press the
G
AMMA
key on the standard IR remote to define the
Gamma
setting to best suit your environment.
“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.
The normal
Gamma Table
setting of 2.2 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. 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
key on either the built-in keypad and standard IR remote to enter or exit the projector's
Menu
system.
OSD (On-Screen Display) Key
Press the
OSD
+ the
D
OWN
Arrow key on the standard IR remote to hide the projector's
Menu
system during
use.
To see the
Menu
system again, do one of the following:
• 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
Menu
Preferences
menu.
2)
The state of the on-screen display is shown in the LCD window at the rear of the
projector.
Shutter Key
Press
and hold
the
S
HUTTER
key on the standard IR remote for a second or two to toggle the internal mechanical
shutter blade closed or open with a single keystroke. Or press and release the
S
HUTTER
key followed
immediately by the
UP
Arrow key (to close) or
D
OWN
Arrow key (to open) to guarantee the correct toggle.
This is useful if you are unsure of the present state. Alternatively, press the
S
HUTTER
key twice quickly to toggle
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.
2)
The shutter opens upon power-up.
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