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ScopeMeter® Test Tool 190 Series II
Users Manual
66
Triggering on Video Frames
Use FIELD 1 or FIELD 2 to trigger either on the first half of
the frame (odd) or on the second half of the frame
(even).To trigger on the second half of the frame, do the
following:
7
F1
Choose FIELD 2.
The signal part of the even field is displayed on the
screen.
Triggering on Video Lines
Use ALL LINES to trigger on all line synchronization
pulses (horizontal synchronization).
7
F2
Choose ALL LINES.
The signal of one line is displayed on the screen. The
screen is updated with the signal of the next line
immediately after the test tool triggers on the horizontal
synchronization pulse.
To view a specific video line in more detail, you can select
the line number. For example, to measure on video line
123, continue from step 6 as follows:
7
F3
Enable video line selection.
8
Select number 123.
The signal of line 123 is displayed on the screen. Observe
that the status line now also shows the selected line
number. The screen is continuously updated with the
signal of line 123.
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