Fluke 125 - Triggering on Video Signals

Fluke 125
Users Manual
2-20
Triggering on Video Signals
• Apply an interlaced video signal to the red input A.
To trigger on a random video line, continue from point
d
of the previous example as follows:
e Highlight VIDEO on A....
f Open the VIDEO TRIGGER
submenu.
g Highlight PAL.
h Select PAL.
i Highlight RANDOM.
j Select RANDOM.
k
Highlight POSITIVE.
l
Accept the video trigger
selections .
Trigger level and slope are now fixed. (See Figure 2-17.)
Positive video is indicated as a “+” icon on bottom of the
screen.
Figure 2-17. Measuring Video Signals