L/R Display Reference Notes; L/R Output Polarity Notes; Examples Of Frame Rate N:m - Christie CP2000 User Manual

LIT MAN USR CP2000
020-100032-04 Rev. 1 (03/14)

L/R DISPLAY REFERENCE NOTES:

Select the option matching your L/R Input Reference, above.
 If your 3D source provides separate left and right data via 2 cables at the
SMPTE ports, simply select the desired frame order (either L-R or R-L).
If your single 3D source provides a separate sync connected at the GPIO, or if the

single 3D source includes an embedded 3D sync signal code, the Input Frame
Dominance choice should match that of the L/R Input Reference (default) or, if
necessary, be inverted. NOTE: Requires single input; not currently supported.

L/R OUTPUT POLARITY NOTES:

TRUE
: 3D L/R sync output (from GPO) will match L/R sync input.

INVERTED
 : 3D L/R sync output (from GPO) will be the opposite of sync input (left
becomes right, and right become left).
FRAME RATE N:M NOTES:
Increase the display frame rate as necessary to reduce flicker from your source(s).
These "N:M" ratios define how many frames to display per number of frames that
Figure 3.8. 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 Figure 3.13.
form 1 complete image. For all 3D use, the bottom value
is 2, indicating that two frames—left and right—are
combined into every complete display frame. For non-3D, it
is 1 frame. Set to the highest rate possible without image
cropping.
BASIC OPERATION
A B
and
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