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Section 3: Operation
Gamma
Determines how grey 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 using levels of gray. Unlike brightness and contrast 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 when using the Gamma control.
The nominal setting for Gamma Correction of 0 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, increase the
gamma correction setting to compensate.
Number Keys
Press 1 to 9 to enter a value in a text box or to select a menu item.
10+
Press 0 before pressing another number to enter a number greater than 9, e.g. press 0 then 2 to enter the number
12 as a menu selection.
Help
Press H
to display context-sensitive help. Press H
ELP
Menu
Press M
ENU
to enter or exit the menu system.
OSD (On-screen display)
Press OSD then the D
following:
• Press and hold OSD for two seconds.
• Press and release OSD followed immediately by U
• Press OSD, OSD.
Invisible menus are fully functional, enabling "hidden" access to numbered features and image adjustments by
entering the corresponding sequence of key presses on the keypad.
NOTE:
With OSD "on", you can still hide error messages and slide bars by disabling these options in the
Menu Preferences menu.
Shutter
Press and hold S
single keystroke. Or press and release S
A
K
RROW
EY
(open) to guarantee the correct state (useful if you are unsure of the present state). Alternatively,
press S
, S
HUTTER
A closed shutter blanks the display (turns it to black). Close the shutter to block the displayed image while
maintaining access to projector functions. Opening the shutter restores the image.
shows the current state of the shutter.
3-6
NOTE:
When entering numbers in a text field, this button acts as 0.
A
OWN
RROW
to hide the menu system during use. To see the menus again, do one of the
HUTTER
for two seconds to toggle the internal mechanical shutter blade closed or open with a
HUTTER
HUTTER
to toggle from the present on/off state.
2)
The shutter is open upon power-up.
ELP
again to toggle the help window OFF.
A
P
RROW
.
followed immediately by U
A
K
(closed) or D
P
RROW
EY
NOTES: 1)
The LCD display
J Series 1000W & 1200W Setup Guide
020-100740-02 Rev. 1 (03-2014)
OWN
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