Agilent InfiniiVision 2000 X-Series Oscilloscopes User's Guide

9 TriggersNOTEIt is important, when using a 10:1 passive probe, that the probe is correctly compensated.The oscilloscope is sensitive to this and will not trigger if the probe is not properlycompensated, especially for progressive formats.1 Press the [Trigger] key.2 In the Trigger Menu, press the Trigger softkey; then, turn the Entry knobto select Video.3 Press the Source softkey and select any analog channel as the videotrigger source.The selected trigger source is displayed in the upper- right corner of thedisplay. Turning the Trigger Level knob does not change the trigger levelbecause the trigger level is automatically set to the sync pulse. Triggercoupling is automatically set to TV in the Trigger Mode and CouplingMenu.122 Agilent InfiniiVision 2000 X-Series Oscilloscopes User's Guide