Rigol DS1000E series, User Manual

Page: 70 / 166

RIGOL
© 2008 RIGOL Technologies, Inc.
User’s Guide for DS1000E, DS1000D Series
2-40
Video Trigger
Video Trigger Mode: Video trigger is used to capture the complicated waveforms
of television. The trigger circuitry detects the vertical and horizontal interval of the
waveform and produces triggers based on the video trigger settings you have
selected. Choose video trigger to trigger on fields or lines of NTSC, PAL/SECAM
standard video signals. Trigger coupling preset to DC.
Figure 2- 47 Table 2- 25 The Video Trigger Menu (Page 1/2)
Menu Settings Comments
Source
CH1
CH2
EXT
Selects CH1 as trigger source
Select CH2 as trigger source
Select EXT TRIG as trigger source
Polarity
positive
negative
Triggers on positive going sync
pulses
Triggers on negative going sync
pulses
Sync
All Lines
Line Num Trigger on all lines
Trigger on an specified line
Odd field
Even field Select to trigger on odd field
Select to trigger on even field
Figure 2- 48 Table 2- 26 The Video Trigger menu (Page 2/2, Sync is line)
Menu Settings Comments
Line Num
[1]
< Line sync >
Select the specified line number
for sync
Standard
PAL/SECM
NTSC
Select Video standard
Sweep
Auto
Normal
Single
Acquire waveform even no trigger
occurred
Acquire waveform when trigger
occurred.
When trigger occurs, acquire one
waveform and then stop
Set Up
To go to set up menu, see table
2-39
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