Configuration, Reference type, To set the reference type – JVC KM-H3000E User Manual
Page 11: Switcher video format, North american video formats, European video formats, To change the reference video format, Format conversion and frame sync, Understanding aspect ratio conversion
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Configuration
This chapter describes how to configure your
switcher to meet your requirements. Setup and
switcher personality options are discussed.
Reference Type
The switcher supports both external and internal
reference types.
To set the reference type:
1.
If you are using an external reference signal,
ensure that it is connected to the REF IN input.
2.
Press MENU.
3.
Press the REF Wipe Pattern button.
4.
Press NEXT until RefSrc is displayed.
5.
Use the RefSrc knob to select the reference
source. You can choose from the following:
• Ext — Use an external reference source.
• Int — Use the internal reference generator.
6.
Press the RefSrc knob to save the selection.
Note:
• If the external reference is lost, the switcher will
automatically switch to internal reference.
Switcher Video Format
There are separate North American and European
versions of the switcher.
North American Video Formats
North American switchers support the following video
formats:
• 480i (4:3 and 16:9) at 59.94Hz
• 720p at 50 or 59.94Hz
• 1080i at 50 or 59.94Hz
Note:
• To save space in the menu, 59.94Hz is displayed
as 60Hz.
European Video Formats
European switchers support the following video
formats:
• 576i (4:3 and 16:9) at 50Hz
• 720p at 50 or 59.94Hz
• 1080i at 50 or 59.94Hz
Both versions can operate in both standard and
multi-definition video formats.
To change the reference video format:
1.
Press MENU.
2.
Press the REF Wipe Pattern button.
3.
Use the Format knob to select the desired video
format. You can choose from the following:
• 480i (North America only)
• 576i (Europe only)
• 720p
• 1080i
4.
Press the Format knob to save the selection.
Format Conversion and Frame Sync
The switcher has four input format converter / frame
synchronizer (FCFS) channels that can be used for
the following:
• Converting incoming video to the current switcher
video format. The format converters can convert
input video from many formats to the current
switcher video format.
• Correcting mis-timed or drifting input signals in any
of the supported video formats. The frame
synchronizers can not completely correct badly
formatted video streams, mis-timed switches,
signal dropouts, or similar issues.
Understanding Aspect Ratio Conversion
Converting between video formats often requires
converting between aspect ratios. Your switcher
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