Keysight 1000B Series, User Manual

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86 Keysight 1000B Series Oscilloscopes User’s Guide
3
Capturing Data
7 Press Setting and turn the entry knob to adjust the width setting.
To set up video triggers
Video triggering is used to trigger on fields or lines of NTSC, PAL, or SECAM
standard video waveforms.
When the video trigger mode is selected, the trigger coupling is set to AC.
1 Press [Menu] .
2 In the Trigger menu, press Mode .
3 Continue pressing the Mode softkey or turn the entry knob to select “Video”.
4 Then, either push the entry knob or press Mode again.
5 Press Polarity to toggle between:
6 Press Sync and continue pressing the softkey or turn the entry knob to select
what to trigger on:
7 Press Standard to toggle between:
Normal polarity — trigger on the negative edge of the sync
pulse.
Inverted polarity — trigger on the positive edge of the sync
pulse.
NOTE
Normal Polarity Sync triggers always occur on negative-going horizontal sync pulses. If the
video waveform has positive-going horizontal sync pulses, use the Inverted Polarity selection.
All Lines Trigger on all lines.
Line Num Trigger on a selected line.
If you select “Line Num”, press the following
Line Num menu
item and turn the entry knob to select the line number.
Odd Field Trigger on an odd field.
Even Field Trigger on an even field.