Displaying Signals
Figure
3-27:
Multi-burst Signal Triggered in
TV
Line
Triggering on
TV
Field
Step
1
:
Set the
A TRIGGER
Mode to
TV
FIELD.
(Press the
P-P AUTO
and
NORM
mode buttons in at the same time.)
Step
2:
Apply the
TV
signal to a channel input and display the channel.
Step
3:
Set the
VOLTS/DIV
switch to display
2.5
divisions or more of
composite video signal.
Step
4:
Set the
A TRIGGER SLOPE
switch either out (for positive-going
TV
signal sync pulses) or in (for negative-going
TV
signal sync pulses).
Step
5:
Adjust the
A
TRIGGER LEVEL
to stabilize the display (Figure
3-28).
Step
6:
To display two separate fields individually, connect the
TV
signal
to both
CH 1
and
CH
2
input connectors and select
BOTH
and
ALT
VERTICAL MODE.
Step
7:
Set the
A SECIDIV
switch to a faster sweep speed (displays of
less than one full field). This will synchronize the Channel
1
display to
one field and the Channel
2
display to the other field.
3-30
In Detail
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