Contemporary Research QMOD-SDI Manual User Manual

Page 9

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Contemporary Research

9

QMOD-SDI

Signage

Digital signage presentation almost always require a scaler to
format the output for HDTV displays

Green Screen

Use VGA to Component or SDI scaler, set to 720p/1080i, 59.94 Hz

Edges cut off

Most HDTV displays overscan video, underscan video to fit to
displays

Design signage with safe area

Positioning

Use Up, down, left, right scaler adjustments to fit

Improve thin lines, small text quality

Using a signal generator or test graphic, adjust quality with Sync

TrigLev setting 1-4. The cable can make a difference at this setting,
so use the same cable for testing as you use for the install.

DirecTV

The DirecTV HD receiver default settings can shift resolutions
between 1080i, 720p, and 480p, depending on programming.

HDTV setup

The Component input now auto-syncs, but it is better to use a
constant output setting on the DirecTV unit.
Go to HDTV menu

Select Video and turn Native Mode off
Select Resolution and turn all modes off but 720p

Go to Audio, and turn Dolby Digital off

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