5
.
6
Runt
Trigger
Menu
The
runt
trigger
is
used
to
trigger
a
pulse
that
has
crossed
one
trigger
level
but
not
the
other
.
In
this
oscilloscope
,
the
positive
runt
pulse
is
the
pulse
that
crosses
the
lower
limit
of
the
trigger
level
but
does
not
cross
the
upper
limit
of
the
trigger
level;
the
negative
runt
pulse
is
the
pulse
that
crosses
the
upper
limit
of
the
trigger
level
but
does
not
cross
the
lower
limit
of
the
trigger
level
,
as
shown
in
the
following
figure
.
Press
TRIG
MENU
type , and select runt by the Multipurpose knob. You can also switch the trigger type by
consecutively pressing the type key, then press the Multipurpose knob to confirm.
At this time, the trigger setting information is displayed at the upper right corner of the screen, the trigger type is runt, the
trigger source is CH1, and the low level of the trigger level is -760mV.
Runt Trigger Menu
Source:
Press the source button to select any of CH1, CH2, CH3, and CH4. The currently selected source is displayed at the upper
right corner of the screen.
Note: Only selecting the channel with connected signals as a trigger source can obtain a stable trigger.
Polarity
:
Press
the
polarity
button
to
select
the
trigger
polarity
of
positive
and
negative
.
(
1
)
Positive
:
Set
to
trigger
on
the
positive
runt
pulse
.
(
2
)
Negative
:
Set
to
trigger
on
the
negative
runt
pulse
.
Trigger
Setting
:
Please
refer
to
the
Trigger
Setting
in
the
Edge
Trigger
section
for
more
details
.
Condition
:
Press
the
condition
button
to
select
the
condition
:
None
, ">", "<", "=".
(
1
)
None
:
Does
not
set
the
runt
pulse
trigger
condition
.
(
2
) >:
Triggers
when
the
runt
pulse
width
is
greater
than
the
set
pulse
width
.
(
3
) <:
Triggers
when
the
runt
pulse
width
is
less
than
the
set
pulse
width
.
(
4
) =:
Triggers
when
the
runt
pulse
width
is
equal
to
the
set
pulse
width
.
Setting
:
Press
the
PgDn
key
and
adjust
the
Multipurpose
knob
to
set
the
time
.
Trigger
Level
:
Press
PgDn
trigger level to select low/high level as trigger level. You can also directly press the LEVEL
knob in the trigger control area to quickly switch between selections.
(1) Low level: The low level of the runt trigger can be adjusted by the LEVEL knob.
(2) High level: The high level of the runt trigger can be adjusted by the LEVEL knob.
27
Summary of Contents for UPO2000E Series
Page 1: ...UPO2000E Series Ultra Phosphor Oscilloscope User Manual...
Page 66: ......
