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Digital Projection M-Vision 930 Series
3D menu continued from previous page
Some 3D settings explained
Dark Time
Ghosting can be caused by the left and right images
overlapping during the time that the ZScreen or 3D
glasses are switching.
Dark Time
allows you to
minimize this effect.
3D Swap
The outgoing 3D frames are in pairs - the dominant
frame being presented first. You can determine which
frame should be the dominant one.
By convention the default setting is
Left
Sync Offset
The sync signal from the 3D server will be in phase with
the frames generated by its graphics card. However,
to compensate for processing delays in the projector,
introduces a delay to the sync output
Sync Offset
signal sent to the ZScreen or 3D glasses.
Operating Guide
Fully on
Fully off
.
Incoming
video
Incoming
sync signal
Video signal with
processing delays (and
dark time adjustment)
Sync output signal
after delay adjustment
USING THE PROJECTOR
Right
Left
Dark
Dark
time
time
Dominance Left
LEFT 1
RIGHT 1
LEFT 2
RIGHT 2
Dominance Right
RIGHT 1
LEFT 1
RIGHT 2
LEFT 2
In order to achieve maximum light
output and a smooth grayscale,
whilst eliminating ghosting,
the following procedure is
recommended:
Dark
1. Set Dark Time to a value
time
appropriate to the glasses or
ZScreen, say 1.3 ms or 1.95 ms.
2. Adjust Sync Offset time to eliminate
ghosting and achieve a smooth
grayscale.
3. Repeat steps 1 and 2 until the best
LEFT 3
RIGHT 3
result is obtained.
RIGHT 3
LEFT 3
Notes
Rev C February 2015
page 61
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