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Application Examples
TDS 200-Series Digital Oscilloscope User Manual
59
15. Push the Trig knob menu box button to select Holdoff.
16. Adjust the HOLDOFF knob to 21 ms for NTSC and PAL video.
NOTE
. To make a large adjustment to the holdoff period, adjust the
SEC/DIV knob to 50 ms, adjust the HOLDOFF knob to 21 ms, and
readjust the SEC/DIV back to the previous value.
Now the oscilloscope only triggers on an odd or an even field (but
not both), and the line information is stable.
With 500 ns of holdoff time, you cannot
see any line information because the
alternating fields overlap
With 21 ms of holdoff time you can
easily see one clear line
Содержание TDS 200-Series
Страница 8: ...Table of Contents iv TDS 200 Series Digital Oscilloscope User Manual...
Страница 48: ...Operating Basics 36 TDS 200 Series Digital Oscilloscope User Manual...
Страница 118: ...Appendix B Accessories 106 TDS 200 Series Digital Oscilloscope User Manual...
Страница 120: ...General Care and Cleaning 108 TDS 200 Series Digital Oscilloscope User Manual...
Страница 126: ...Glossary 114 TDS 200 Series Digital Oscilloscope User Manual...
Страница 132: ...Index 120 TDS 200 Series Digital Oscilloscope User Manual...