BASIC OPERATION
CP2000-X User Manual
3-23
020-100031-01 Rev . 1 (03-2009)
Figure 3.11. Examples of Frame Rate N:M
For example, when processing typical dual (L/R) 3D signals of 24Hz, a
Frame Rate
N:M
setting of 4:2 will generate 4 frames of output for every 2 frames of input at a
final frame rate of 96 Hz. For any source, keep the final frame rate less than that of
the projector (which is 67 Hz for full 2048 x 1080 resolution). Generally, incoming
24Hz signals can be increased by a maximum factor of
5:2
—see Figure3.11.
DARK TIME AND OUTPUT DELAY NOTES:
The “dark time” between incoming L/R frames provides a brief interval of non-image
time—in microseconds (
µ
)—for your switching device (such as shutters in glasses) to
complete its switch. Ideally, when this interval is properly set and exactly suits the
speed of your device, neither eye sees image data intended for the other eye. This
helps to prevent color artifacts and ghosting while ensuring that each eye sees
all
intended data.
NOTE:
Because the
Dark Time
interval essentially increases frame rate, increasing
this setting beyond its range for the current frame rate factor will cause image break-
up. 2048 x 1080 displays may be cropped. Likewise, a setting less than the minimum
is not supported and simply sets the interval to its minimum
.
The
Output Delay
setting shifts the 3D sync in relation to the Dark Time interval,
starting each frame slightly earlier (–) or later (+). Adjust only as necessary—too
much offset can cause “bleed-through” where each eye sees some data that is
intended for the other.
All password-protected (requires Installer, Admin or Advanced User rights), except
for the
New Lamp
button accessible by “Operator” login.
The TPC
Advanced
menu consists of five different submenus—
Preferences, Lamp,
Lamp History
,
Test Patterns
and
User
—that enable installers, administrators and
advanced users to define numerous system operating parameters, load and/or display
test patterns, work with lamp settings, and set up users and their TPC access rights.
TPC Advanced Menu
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