Rigol VS5000 Series User Manual page 69

RIGOL
Settings for Video Trigger
Choose video trigger to trigger on fields or lines of NTSC, PAL, or SECAM standard
video signals. Trigger coupling preset to DC.
Table 2-15 Video Trigger Settings
Function
CH1
CH2
Source
EXT
EXT/5
Polarity
NTSC
Standard
PAL/SECAM
Set up
All Lines
Line Num
Sync
Odd field
Even field
Key points
Sync Pulses: When Normal Polarity is selected, the trigger always occurs
on negative-going sync pulses. If the video signal has positive-going sync
pulses, use the inverted Polarity.
© 2008 RIGOL Technologies, Inc.
Setting
Normal polarity
Inverted polarity
User's Guide for VS5000 Series
Description
Select CH1 as trigger source
Select CH2 as trigger source
Select EXT TRIG as trigger source
Select EXT TRIG/5 as trigger source
Triggers on negative going sync pulses
Triggers on positive going sync pulses
Select Video standard
To go to the Set Up menu
Trigger on all lines
Trigger on an specified line
Select to trigger on odd field
Select to trigger on even field
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