Application Examples
NOTE. The optional TDS3VID and TDS3SDI application modules add new video
function
s such as a video QuickMenu, video Autoset, trigger on custom scan rates,
trigger on specific video lines, vectorscope (vectorscope supports c omponent
video only), video picture, trigger on analog HDTV signals, and view 601 digital
video signals (TSD3SDI only).
Looking at Modulation. A dedicated video waveform monitor clearly shows
the modulation in a video signal. To see a similar modulation display on the
oscilloscope screen, follow these steps:
1. Start with triggered display of the video lines.
2. Push the Acquire Menu button.
3. Push the Horizontal Resolution screen button.
4. Sele
ct Fast Trigger acquisition resolution.
5. Adjust the Waveform Intensity control for the amount of modulation you
wan
ttosee.
The oscilloscope now shows signal modulation in shades of intensity and appears
si
milar to the display of a video waveform monitor or an analog oscilloscope. Fast
trigger acquisition resolution is the best choice to acquire a video line signal
with a rapidly changing shape.
TDS3000C Series Oscilloscope User Manual 43
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