UTD2000M
User
Manual
Fig.
3
‐
7
Use
Cursors
to
Measure
Negative
Duty
Ratio
of
Pulse
3.
Measure
phase
difference
of
two
signals
Measure
phase
difference
caused
when
a
sine
signal
passes
a
circuit.
In
details,
CH1
connects
to
the
input
signal
of
the
circuit
while
CH2
connects
to
the
output
signal
of
the
circuit.
For
the
ease
of
measurement,
displacements
of
CH1
and
CH2
are
set
to
the
midpoints,
as
shown
in
Fig.
3
‐
8,
and
then
following
below
steps
to
measure:
1.
Press
“CURSOR”
key
to
display
“cursor
measurement
menu”;
2.
Press
F1
key
to
open
cursor
measurement
function;
3.
Press
F1
key
again
to
set
cursor
type
to
be
“time”;
4.
Press
F3
key
to
set
the
vertical
unit
as
“phase”;
5.
Use
“MULTIPURPOSE”
knob
to
move
cursor
1
to
the
midpoint
of
the
first
rising
edge
of
the
pulse
(the
cross
point
with
GND
of
the
channel);
6.
Press
“SELECT”
to
select
cursor
2,
and
then
turn
“MUTIPURPOSE”
to
move
cursor
2
to
the
midpoint
of
the
second
rising
edge
of
the
pulse;
7.
Press
F4
and
it
displays
“current
position
–
360
°
”,
meaning
to
set
△
value
between
current
cursor
1
and
cursor
2
to
360
°
;
8.
Press
CH2
and
then
press
CURSOR
to
set
cursor
measuring
to
be
targetted
at
the
signal
of
CH2.
Maintain
the
position
of
cursor
1
unchanged,
but
change
the
position
of
cursor
2.
9.
Use
“MULTIPURPOSE”
knob
to
move
cursor
2
to
the
midpoint
of
the
first
rising
edge
of
CH2,
then
the
△
value
is
the
phase
difference
between
the
two
signals.
68
Содержание UTD2000M
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