Video Trigger: Line Synchronization; Alternating Trigger; Video Trigger: Field Synchronization - Tenma 72-2650 Operating Manual

72-2650/72-10510/72-8225A /72-8705A/72-8710A user manual
Figure 2-14 is an example screen display when PAL
video trigger model is selected as standard and
synchronization mode is All Line Synchronization.
Figure 2-14 Video Trigger: Line Synchronization
Figure 2-15 is an example screen display when PAL
video trigger model is selected as standard and
synchronization mode is set to field synchronization.
Figure 2-15 Video Trigger: Field Synchronization

Alternating trigger

During alternating trigger, the trigger signal comes
from two input channels, CH1 and CH2 alternatingly.
Alternating trigger is useful for observing two signals with
different frequency. See the figure below for display of
triggered alternating waveform example and Table 2-10
for triggered alternating menu setting:
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