UTD2000M
User
Manual
Single
Stop
data
acquisition
when
there
is
no
trigger
signal
and
when
there
is
a
trigger
signal,
it
will
conduct
trigger
scanning.
The
unit
occurs
a
trigger
and
then
stops
whenever
there
is
any
input
of
trigger
signal.
Edge
Type
Rising
Falling
Rising
and
falling
Set
to
trigger
at
the
rising
edge
of
a
signal
Set
to
trigger
at
the
falling
edge
of
a
signal
Set
to
trigger
once
respectively
at
the
rising
edge
and
the
falling
edge
of
a
signal.
2.4.2
Pulse
Width
Triggering
Since
pulse
width
triggering
determines
the
triggering
time
based
on
the
width
of
the
pulse,
you
can
capture
abnormal
pulse
by
setting
pulse
width
condition.
Table
2
‐
9
Menu
Setting
Description
Type
Pulse
Width
Signal
Source
CH1
、
CH2
EXT
、
EXT/5
AC
LINE
Alter
Set
CH1
or
CH2
as
the
source
of
trigging
signal
Set
external
triggering
or
the
quotient
of
dividing
external
triggering
signal
by
5
as
the
signal
source
Set
mains
supply
as
the
source
of
trigger
Alternatively
use
CH1
or
CH2
as
the
source
of
trigger
Trigger
Coupling
DC
AC
Low
Frequency
Reject
High
Frequency
Reject
Pass
both
the
AC
and
DC
component
in
an
input
signal;
Block
the
DC
component
in
an
input
signal;
Reject
the
low
frequency
component
(less
than
80KHz)
contained
in
a
signal;
Reject
the
high
frequency
component
(higher
than
80KHz)
contained
in
a
signal;
Triggering
Mode
Auto
Normal
Single
When
there
is
no
input
of
trigger
signal,
the
system
will
automatically
acquire
waveform
data
and
display
scanning
baseline
on
the
screen;
when
there
is
a
trigger
signal,
it
will
then
automatically
switch
into
trigger
scanning.
Stop
data
acquisition
when
there
is
no
trigger
signal
and
when
there
is
a
trigger
signal,
it
will
conduct
trigger
scanning.
The
unit
occurs
a
trigger
and
then
stops
whenever
there
is
any
input
of
trigger
signal.
Pulse
Width
Setting
See
Table
2
‐
10
Conduct
pulse
width
setting
Pulse
Width
Setting
Menu
Setting
Description
Pulse
Width
Polarity
Positive
Pulse
Width
Negative
Pulse
Width
Set
positive
pulse
width
as
the
trigger
signal
Set
negative
pulse
width
as
the
trigger
signal
Pulse
Width
Condition
<
Trigger
occurs
when
the
pulse
width
of
an
input
signal
is
less
than
the
preset
pulse
width
time;
35
