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LED-PRO • User’s Guide
77
4. Operation
Using the Expert Mode Menu
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From the
Input Setup Menu
, select
Processing
to display the
Processing Menu
which
enables you to adjust a variety of image processing parameters.
Figure 4-60.
Processing Menu (sample)
Following are descriptions of each menu function:
•
Sync Sel
— this function applies to analog RGB inputs only. The digital input
sources have embedded syncs, and the composite, S-video, and YPbPr inputs
always will take the sync from the Y (or composite) channel. For these inputs, the
value field will indicate n/a.
~
Choices are:
Auto
,
H/V
,
CSync
and
SOG
.
~
In
Auto
mode, the system will find sync in any of the three possible
sources. If one of the sources is explicitly chosen, the system uses only
that input as a sync source, unless it finds there is no sync input present
— in which case it acts as if
Auto
mode is enabled.
•
DeIntlc
— in order to process an interlaced source, LED-PRO must first de-
interlace the image. De-interlacing is the process by which interlaced video is
converted to progressive format. Please note:
~
Interlaced video
— even lines are scanned during one field and odd
lines are scanned during the next field.
~
Progressive video
— lines in the frame are sequentially scanned.
LED-PRO utilizes an advanced
Motion Adaptive De-interlacing
(MAD)
techniques to de-interlace most video sources up to HDTV (1920 x 1080i) rates.
When the MAD de-interlacing mode is selected, maximum video processing delay
is 2 input fields (or 3 fields, if the output is not frame-locked to the input).
An alternate mode, Field to Frame (
Fld->Frm
), avoids motion artifacts by
converting individual input fields to progressive output frames. While vertical
resolution will be reduced in this mode, a significant reduction in video processing
delay is achieved.
•
Pulldown Comp
— this function allows you to enable or disable
3:2 Pulldown
Detection
. The function should be enabled to process video derived from film
source material. Please note:
~
The function only applies to standard video inputs (composite,
component, and s-video).
~
The default mode is off.
•
Sync Slice (mV)
— this function enables you to select the sync comparator
threshold for RGsB (RGB with Sync on Green) or YPbPr analog component video
sources. Please note:
~
The value ranges from 20mV to 280mV, adjustable in steps of 10mV.
~
The default value is 160mV.
P R O C E S S I N G
> S y n c S e l
A u t o
D e I n t l c
n / a
P u l l d o w n C o m p
n / a
S y n c S l i c e ( m V )
n / a
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