8
2. Horizontal control
a
.
HORI
MENU
:
Displays
extended
window
,
independent
time
base
and
trigger
hold
-
off
.
b
.
Horizontal
POSITION
:
When
adjusting
the
knob
,
the
trigger
point
moves
left
and
right
relative
to
the
center
of
the
screen
,
and
the
waveforms
of
all
channels
also
move
left
and
right
.
The
horizontal
displacement
value
at
the
top
of
the
screen
will
change
in
real
time
.
Press
this
knob
to
return
the
channel
display
position
back
to
the
horizontal
midpoint
.。
c
.
Horizontal
SCALE
:
Adjust
the
time
scale
of
all
channels
.
You
can
see
the
waveform
is
compressed
or
xpanded
in
the
horizontal
direction
on
the
screen
during
the
process
,
and
the
time
base
scale
in
the
lower
part
of
the
screen
changes
in
real
time
.
The
time
base
step
is
1
-
2
-
4
.
Press
the
knob
to
quickly
switch
between
the
main
window
and
the
extended
window
.
3.Trigger Control
a
.
MODE
:
Press
this
key
to
switch
the
trigger
mode
to
Auto
,
Normal
or
Single
,
and
the
corresponding
backlight
of
the
current
trigger
mode
will
turn
on
.
b
.
LEVEL
:
Turn
clockwise
to
increase
the
level
,
turn
counterclockwise
to
decrease
the
level
.
During
the
adjustment
process
,
the
trigger
level
value
at
the
top
right
of
screen
will
change
Press
the
knob
to
quickly
return
the
in
real
time
.
50
%
of
the
trigger
signal
.
trigger
level
to
c
.
TRIG
MENU
:
Displays
the
contents
of
the
trigger
menu
.
For
details
,
see
"
Trigger
setting
system".
d
.
FORCE
:
Force
trigger
button
,
press
this
button
to
force
a
trigger
.
e
.
HELP
:
Displays
the
built
-
in
help
system
contents
.
4
.
Auto
Setting
When
this
key
is
pressed
,
the
oscilloscope
will
automatically
adjust
the
vertical
scale
factor
,
sweep
time
base
,
and
trigger
mode
according
to
the
input
signals
.
Note
:
When
using
the
auto
setting
function
,
if
the
measured
signal
is
a
sine
wave
,
the
frequency
is
required
to
be
not
less
than
20Hz
and
the
amplitude
should
be
in
the
range
of
20mVpp
~
120Vpp
.
If
this
parameter
condition
is
not
met
,
the
auto
setting
function
may
not
be
valid
.
5
.
Run
/
Stop
Press
this
key
to
set
the
oscilloscope
'
s
operating
state
to
"
run
"
or
"
stop
".
RUN
state
is
indicated
by
green
light
.
STOP
state
is
indicated
by
red
light
.
6
.
Single
Trigger
Press
this
key
to
set
the
trigger
mode
to
"
Single
"
and
the
orange
backlight
will
be
on
.
7
.
Clear
All
Clears
all
waveforms
on
the
screen
.
If
the
oscilloscope
is
in
the
"
RUN
"
state
,
it
will
continue
to
display
new
waveforms
.
8
.
Screen
Press
this
key
to
quickly
copy
the
screen
waveforms
to
a
USB
storage
device
in
BMP
bitmap
format
.
9
.
Multipurpose
Knob
Intensity
:
In
non
-
menu
operation
,
turn
this
knob
to
adjust
the
brightness
of
the
waveform
display
.
The
brightness
adjusting
range
is
0
% ~
100
%.
You
can
also
press
the
DISPLAY
→
waveform
brightness
to
adjust
it
.
Multipurpose
:
Turn
the
knob
to
select
the
sub
-
menu
,
then
press
the
knob
to
confirm
selection
.
