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5. Advanced
frame B
frame C
frame D
frame B
frame C
frame D
z
z = transport delay or TDR
signal coming
from PMP (1st step)
signal processing
in PMP (2nd step)
Image 5-97
Transport delay
During this delay all image information is stored in a memory block on the PMP.
A Transport Delay set to the maximum value of 1023, corresponds with a delay of 16 ms.
What can be done with the Transport Delay ?
The data
fl
ow of any frame starts with pixel 1 of line 1 of this frame and is processed line by line.
In the example of a top side bow distortion, the
fi
rst pixel to be displayed is not pixel 1 of the original line 1, but pixel x (>1) of the
original line 1. This means that every pixel which comes before pixel x in the original line 1 must be stored in a temporary memory,
before the processing of the frame can start.
Image 5-98
Transport Delay basic principle
The Transport delay can be adjusted manually or can be set to automatic.
A short Transport delay creates a small delay with respect to the source, but a large delay is needed in case extremely distorted
images are needed (extremely curved screens).
A delay set too short may introduce ’clipping’ phenomenons in the image.
How to set Transport Delay to manual or automatic ?
1. Start up the Geometry
Edit
menu
2. Push the cursor key
↑
or
↓
to highlight
Transport Delay...
and press
ENTER
to select.
R59770718 GALAXY NW SERIES 20/06/2013
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Summary of Contents for R9040411
Page 1: ...Galaxy NW series User guide R9040411 R9240411 R9040406 R9240406 R59770718 01 20 06 2013...
Page 10: ...Table of contents 4 R59770718 GALAXY NW SERIES 20 06 2013...
Page 14: ...1 General 8 R59770718 GALAXY NW SERIES 20 06 2013...
Page 56: ...4 Getting started 50 R59770718 GALAXY NW SERIES 20 06 2013...
Page 93: ...5 Advanced Image 5 70 Image 5 71 Image 5 72 R59770718 GALAXY NW SERIES 20 06 2013 87...
Page 192: ...6 Maintenance 186 R59770718 GALAXY NW SERIES 20 06 2013...