B&K Precision 2532B - Manual - Manual (Page 167)

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3) Press the “Averages” option button to see the effects of varying
the number of running averages on the waveform display.
Averaging reduces random noise and makes it easier to see the details of a
signal.
Triggering on a Video Signal
Observe the video circuit in a piece of medical equipment and use the video
trigger to obtain a stable display.
Triggering on Video Field
To trigger on the video fields, follow these steps:
1) Press the “TRIGGER MENU” button to see “trigger menu”
2) Press the top option button and select “Video”.
3) Press the “source” option button and select “CH1”.
4) Press the “Sync” option button and select “Odd Field” or “Even
Field”.
5) Press the “Standard” option button and select “NTSC”.
6) Turn the horizontal “Time/Div” knob to see a complete field
across the screen.
7) Turn the vertical “Volts/Div” knob to ensure that the entire video
signal is visible on the screen.