Specifications

1.
2.
Obtain
a
Normal Sweep
Display
(refer
to
Basic
7.
Oscilloscope
Displays
section
of this
manual).
Set
A TRIGGER
SLOPE
control
to
*.
Use a
sweep
speed
setting
that
displays several
cycles or
events
(if
possible)
and
ensure that
the
VAR
TIME/DlV
control
is
in the
calibrated
detent.
Measure
the
horizontal
distance
between
the
107o and
90%
points
and
calculate the time
duration
using
the
following
formula:
horizontal
distance
(divisions)
TIM
E/D IV
X
switch
setting
3.
Set
the
VOLTS/DIV
signal amplitude)
for
switch
and
VAR control
(or
an
exact
five-division
display.
Time
Duration
=
(rise
time)
magnification
4.
Set
vertical
positioning
so
that
the
zero reference
of
the
waveform
touches
the
0%
graticule
line
and
the
top
of the
waveform
touches
the
IOOYo
graticule
line.
5. Set
the TIME/DlV
with the
rise
time
possible.
switch
for
a single-event
display,
spread
horizontally as
much
as
6.
Horizontally
position
the display
so the
10%
point
on
the
waveform
intersects
the second
vertical
graticule
line
(see
Figure 19).
@
SIGNAL
AMPLITUDE
MEASURE
TIME FROM
ATOB
HORIZONTAL
DISTANCE
465/DM-O-13
4658/DM44
OPerators
Figure
19.
Rise
time.
49