UTD2000M
User
Manual
Fig.
3
‐
13
Less
Amplitude
Pulse
Trigger
(Negative
Polarity)
Notes:
Refer
to
“trigger
condition”
in
the
chapter
of
less
amplitude
triggering
for
details
on
it.
3.8
Use
of
Storage
Function
In
case
we
need
to
use
oscilloscope
for
waveform
observation
at
a
remote
site
and
intend
to
bring
the
waveform
information
back
to
office
for
the
preparation
of
a
report
or
for
any
other
analysis.
Then,
we
can
save
the
data
into
a
USB
‐
disk.
Save
Bitmap
To
save
the
images
shown
on
the
screen
of
an
oscilloscope
to
a
U
‐
disk,
there
are
two
methods
to
follow:
1
、
For
a
quick
save
of
image
into
a
U
‐
disk,
please
follow
the
following
steps:
A.
Insert
U
‐
disk
into
the
USB
‐
HOST
port
located
on
the
front
panel
of
the
oscilloscope;
B.
After
press
the
PrScrn
key
located
above
the
screen,
a
saving
progress
bar
appears
below
the
waveform
displaying
area.
Once
this
bar
runs
to
the
end,
the
screen
image
will
be
saved
to
the
root
directory
of
the
U
‐
disk
successfully
under
the
name
of
DSO***.BMP.
2
、
For
easier
identification
of
the
saved
image,
we
can
set
a
descriptive
name
for
each
image,
please
refer
to
the
following
steps
to
operate:
A.
Insert
U
‐
disk
into
the
USB
‐
HOST
port
located
on
the
front
panel
of
the
oscilloscope;
B.
Press
STORAGE
key
and
then
press
F1.
Thereafter,
use
“MULTIPURPOSE”
knob
to
select
bitmap;
C.
While
in
bitmap
storage
menu,
press
F3
to
enter
into
USB
menu;
D.
By
pressing
F1
key
and
using
“MULTIPURPOSE”
knob
to
set
the
name
of
the
file
to
be
saved.
After
press
F5
key
for
confirmation,
the
screen
image
will
be
saved
to
the
root
directory
of
the
U
‐
disk
successfully
under
the
designated
name.
73