Specifications

RIGOL
DS6000 Users Guide
5-15
Video Trigger
Trigger on the standard video signal fields and lines of NTSC (National Television
Standards Committee), PAL (Phase Alternating Line) or SECAM (Systeme
Electronique Pour Couleur Avec Memoire).
Trigger Type:
Press Type to select Video. At this point, the trigger setting information as shown
in the figure below is displayed at the upper right corner of the screen.
Source Selection:
Press Source to select CH1-CH4 as the Trigger Source. The current trigger source
is displayed at the upper right corner of the screen.
Video Polarity:
Press Polarity to select the desired video polarity.
: positive polarity. Trigger on negative sync pulse.
: negative polarity. Trigger on positive sync pulse.
Sync:
Press Sync to select the desired sync type.
All lines: trigger on all the horizontal sync pulses.
Line number: trigger on the specified line in the odd or even field. Note that
when this sync trigger mode is selected, you can change the line number using
in the Line Number menu with the increment as 1. The range of the line
number available is from 1 to 525 (NTSC) or from 1 to 625 (PAL/SECAM).
Odd field: trigger on the rising edge of the first ramp waveform pulse in the odd
field.
Even field: trigger on the rising edge of the first ramp waveform pulse in the
even field.
Video Standard:
Press Standard to select the desired video standard.
NTSC: the field frequency is 60 fields per second and the frame frequency is 30
frames per second. The TV sweep line is 525 with the even field goes first and
the odd field follows behind.
PAL: the frame frequency is 25 frames per second. The TV sweep line is 625
with the odd field goes first and the even field follows behind.