TRIGGER Controls
3–60
THS710A, THS720A, THS730A & THS720P User Manual
Video Trigger
Choose video triggering to trigger on a specific line in the odd or
even field, or on all the lines of an NTSC, PAL, or SECAM standard
video signal. Also, you can trigger on nonstandard video signals with
scan rates up to 65 kHz.
S
PE
E
Trigger Type Video
ME
Trigger Source Ch1
Ch2
igg
n
Odd Field
Even Field
Any Field
Set line number
Lines —
Vi
o
la
NTSC
PAL
SECAM
—
Custom Scan
Rate
Set scan rate
Mode & Holdoff Auto
Normal
Set holdoff
Key Points
Sync Pulses. When you choose Video, the trigger always occurs on
negative-going sync pulses. If your video signal has positive-going
sync pulses, invert the signal using the vertical menu. Refer to
VERTICAL Controls on page 3–68 for information about inverting
a signal.