Video Trigger: Row/Field Synchronization - UNI-T UTD2025C Operating Manual

Please refer to Figure 2-14 for screen display when
selecting standard system of PAL and row
synchronization as synchronization mode. Please
refer to Figure 2-15 for field synchronization of
synchronization mode.
Figure 2 14 Video trigger: Row synchronization
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Operating Manual for UTD2000/3000
Figure 2 15 Video trigger: Field synchronization
ALT TRIG mode
ALT TRIGTrigger signal comes from 2 vertical
channels during ALT TRIG. Such trigger mode can be
adopted for synchronous observation of 2 signals
without regard to signal frequency. Please refer to
following figure for trigger alternation waveform
display.