DPO6000
，
MPO6000 Series Digital Phosphor Oscilloscope Instruction V1.1
- 35 -
Press
【
Trig Menu
】
on the front panel to turn on the trigger function menu.
【
type
】
select Edge and press V0 to confirm.
【
Data source
】
select
CH1~CH4
or
LA
to be trigger source
Note
:When use LA as trigger source,LA must be inserted.
【
Slope
】
select desired trigger edges(rising edge
、
falling edge
、
double edge),
press V0 to confirm.
【
Mode
】
select acquisition mode(auto
、
normal),press V0 to confirm.
【
50%
】
set trigger level as the vertical central point of the peak-peak value of the trigger
signal.Trigger level value is displayed on the top right corner.
【
holdoff
】
set holdoff time.
Trigger level knob
:analog channels can modify trigger level value.Trigger symbol moves
up and down according to the rotation of the knob.Rotate the trigger level knob to acquire
the stable trigger.
Digital channel
:can change trigger threshold of the digital channel by setting the threshold
voltage.
Note
:Press Auto Scale,set the trigger mode to be Edge trigger,trigger slope to be rising
edge.
6.5.2.Pulse Trigger
Pulse Trigger sets the oscilloscope to trigger on the positive or negative pulse with a
specified width.You can set trigger source,polarity(positive pulse
、
negative pulse),limit
conditions and pulse width in this menu.
Press
【
Trig Menu
】
on the front panel to enter trigger function menu.
【
Type
】
select pulse and press V0 to confirm.
【
Data source
】
select
CH1~CH4
or
LA
to be trigger source.
Note
:When use LA as trigger source,LA must be inserted.
【
Polarity
】
select the positive polarity or negative polarity of the trigger.
【
When
】
select the trigger conditions(>
、
<
、
=
、！
=),and press V0 to confirm.
＜
(less than the time value):only trigger when the positive pulse width or negative pulse
width of the input signal is less than the setting pulse width
【
pulse error is 5%
】
.
＞
(greater than the time value):only trigger when the positive pulse width or negative
pulse width of the input signal is greater than the setting pulse width
【
pulse error is 5%
】
.
!= (unequal to the time value):only trigger when the positive pulse width or negative pulse
width of the input signal is unequal to the setting pulse width
【
pulse error is 5%
】
.
= (equal to the time value):only trigger when the positive pulse width or negative pulse
width of the input signal is equal to the setting pulse width
【
pulse error is 5%
】
.
【
width
】
set pulse width time
【
8ns~10s
】
.
