Main Sweep - HP 1821A Manual

Section
III
Figure 3-4
Model
1821A
Set up main sweep
as explained
in
Figure
3-3.
1.
Set
Delayed Trigger Source
to
AUTO.
2.
Rotate Delayed
VERNIER
fully
cw
to
CAL.
3.
Rotate
Delayed
TIME/DIV
switch ccw from
OFF
and
set
the
delayed
sweep
time
ten
to
one -hundred times
faster
than
the
main sweep
time
(if
possible).
4.
Set
Sweep
Display
to
MIXED.
5.
Adjust
DELAY
(DIV)
until
desired portion
of
waveform
is
displayed on delayed sweep.
Figure
3-4.
Mixed Sweep
Operation
3-4
02591-3