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.
PROCESSING
> Sync Sel Auto
DeIntlc n/a
Pulldown Comp n/a
Sync Slice (mV) n/a
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