Trigger Controls
Trigger Modes
2-35
Table 2-8
Video Trigger Menu Buttons
Figure 2-20
Video Line Trigger
Menu Settings Comments
Source CH1
CH2
EXT
EXT/5
Sets CH1 as the trigger waveform
Sets CH2 as the trigger waveform
Sets EXT TRIG as the trigger waveform
Sets EXT TRIG/5 as the trigger waveform
Polarity 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 selected line
Trigger on an odd field
Trigger on an even field
Standard PAL/SECAM
NTSC
Trigger on a PAL or SECAM video waveform
Trigger on an NTSC video waveform
Normal Polarity Sync triggers always occur on negative-going horizontal sync pulses. If
the video waveform has positive-going horizontal sync pulses, use the Inverted Polarity
selection.