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drop-down list.
Outputting and using a video test pattern
NOTE: No input signal is needed when using a test pattern for display device setup.
To select and output a test pattern:
1.
Open the Encoding & Streaming page.
2.
Expand the Mask, OSD and Test Patterns panel.
3.
Select a pattern from the Test Patterns drop-down list. A preview of the test pattern
appears above the drop-down list.
Available test patterns include the following:
Color Bars
Time Stamp
Aspect Ratio 1.33:1
Aspect Ratio 1.78:1
Figure 24.
Test Patterns
Color Bars — Standard full screen color bars
•
Time Stamp — Displays white text with the unit date and time (for example: Fri
•
Apr 18 HH:MM:SS) in the top left corner of the display window. It updates every
second
Pulse — Select Pulse to output an audio pulse of 400 Hz at -7 dBu (nominal) for
•
audio output testing.
Crop — Outlines the active picture area
•
Aspect Ratio — Three patterns with screen outlines in 1.33:1, 1.78:1, and 1.85:1
•
for centering and size adjustment
Universal OSD — This pattern consists of white text overlaid atop the source
•
video content. By default, it appears in the upper left corner of the screen. The
location of the universal OSD and Timestamp is dependent on the position selected
for the metadata OSD. The text includes brief custom text followed by three
selectable elements separated by commas. The options for those elements are
listed in
Setting up the universal OSD test pattern
The universal OSD pattern can be displayed together with the main AV content
because it overlays the video rather than replacing it. The universal OSD pattern
can be used at any time, not just during setup. It can also serve as an on screen
label for presentations, in addition to metadata labels (see
Streaming
on page 32 for more information on metadata within screen layouts).
The selected test pattern is immediately output to the display and reflected in the
preview in the AV Controls panel. The test pattern displays until another pattern,
or Off is selected from the Test Patterns drop-down list, or until unit power is
recycled.
Setting up the universal OSD test pattern
The Font, Size, Color, and Location are read-only in this panel. To change these
Pulse
Crop
Aspect Ratio 1.85:1
Universal OSD
on page 39.
Encoder Settings and
SME 211 • Web-Based User Interface
39
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