10
Marshall Electronics
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V-SG4K-HDI
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Computer Control
Pattern Menu page
Setting Menu page
Pattern Menu - Applications
The Pattern page is probably the most frequently used section of the Signal Generator.
A wide variety of standard and unique patterns are available. Each of these patterns can be output at
any of the selected timings/formats including UHD/4K (3840 x 2160).
- Color bars are useful for checking monitors, wavform monitors and vectorscopes as well as
checking luma and chroma levels through switchers, scalers and other system components.
- Solid color screens can be used to check purity in displays and projectors.
- Ramp patterns are good for checking bit depth by observing the degree of “stepping” in the image.
- Multiburst is useful for checking the bandwidth of a device as well as its tendency to create alias
patterns.
- Lines and checkerboards are particularly useful when setting up projection systems and video walls.
Setting Menu - Applications
The Setting page is a collection of the basic signal parameters, both video and audio, that the Signal
Generator can output.
- Most of the settings are used for checking that a device conforms to the stated specifications. This
includes color space, color depth, audio sample rate, bit depth and number of channels.
- External audio (stereo) can be selected also so that specialized audio signals may be embedded
into the HDMI output from other sources.
- HDCP On/Off provides a quick check for HDCP (copy protection) compliance of a device. Turning
the HDCP test ON will cause the picture to disappear on recorders, switchers and any other non-
display device. Compliant display devices (monitors, TV’s, projectors) should display a picture with
HDCP turned ON.
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