Hitachi V-355 Operation Manual page 28

ALTERNATE TRIGGER
Jittering wave as shown below may appear on the screen
when a gently-sloping signal is displayed by approximately
10 cycles or less, with the VERT MODE for the INT
TRIG switch and the ALT position for the MODE select
switch. For detailed and clear observation of each signal,
set the MODE select switch to the CH I or CH2.
(8) How to use TV exclusive synchronization
CD
On
the video waveform of
In the work concerned with TV , complexed signals con­
taining video signal, blanking pedestal signal , and syn­
chronizing signal are often me asure d . However, since
the waveform is complexed, a special circuit is needed
to effect a stable synchronization with vertical waveform.
Synchronizing
signal pulse
(S YNC pulse)
TV
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