Capturing Data 3
Agilent 1000B Series Oscilloscopes User’s Guide 89
6 Press When and continue pressing the softkey or turn the entry
knob to select the type of pulse to trigger on:
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:
Positive pulse greater than the width setting.
Positive pulse less than the width setting.
Negative pulse greater than the width setting.
Negative pulse less than the width setting.
Normal polarity — trigger on the negative edge of the
sync pulse.
Inverted polarity — trigger on the positive edge of the
sync pulse.