162 Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide
10 Triggers
2 In the Trigger Menu, press the Trigger softkey; then, turn the Entry knob
to select Video.
3 Press the Source softkey and select any analog channel as the video
trigger source.
The selected trigger source is displayed in the upper-right corner of the
display. Turning the Trigger Level knob does not change the trigger level
because the trigger level is automatically set to the sync pulse. Trigger
coupling is automatically set to TV in the Trigger Mode and Coupling
Menu.
4 Press the sync polarity softkey to set the Video trigger to either positive
( ) or negative ( ) sync polarity.
5 Press the Settings softkey.
Provide Correct Matching
Many video signals are produced from 75 Ω sources. To provide correct matching to these
sources, a 75 Ω terminator (such as an Agilent 11094B) should be connected to the
oscilloscope input.
To Next Page
Loading...
