RIGOL DS1000B - Manual (Page 66)

RIGOL
User’s Guide for DS1000B series 2-36
Video Trigger
Choose video trigger to trigger on fields or lines of NTSC, PAL, or SECAM standard
video signals. Trigger coupling preset to DC. Press MENU→Mode→Video to enter the
following menu.
Figure 2-42 Table 2-24 The Video Trigger menu (Page 1/2)
Menu Settings Comments
Source
CH1
CH2
CH3
CH4
EXT
EXT/5 Selects CH1 as trigger source.
Selects CH2 as trigger source.
Selects CH3 as trigger source.
Selects CH4 as trigger source.
Select EXT TRIG as trigger source.
Select EXT TRIG/5 as trigger source.
Polarity
[1]
Normal
polarity
Inverted
polarity
Trigger on the negative edge of the sync
pulse
Trigger on the positive edge of the sync
pulse
Sync
All Lines
Line Num
Odd field
Even field Trigger on all lines.
Trigger on a specified line.
Select to trigger on odd field.
Select to trigger on even field.
Note:
[1] Normal polarity is applicable to signal with negative horizontal sync pulse; Inverted
polarity is applicable to signal with positive horizontal sync pulse.