63
Pulse condition
(pulse trigger)
Sets the pulse width (20ns ~ 200us) and the
triggering condition.
>
Longer than
=
Equal to
<
Shorter
than
Not
equal
to
Trigger slope
Triggers on the rising edge.
Triggers on the falling edge.
Trigger coupling AC
Triggers only on AC component.
DC
Triggers on AC+DC component.
Frequency
rejection
LF
Puts a high-pass filter and rejects the
frequency below 50kHz.
HF
Puts a low-pass filter and rejects the
frequency above 50kHz.
Noise rejection
Rejects noise signals.
Trigger level
LEVE L
Using the trigger level knob moves the
trigger point up or down.
Configuring the edge trigger
Procedure
1. Press the Trigger menu key.
MENU
2. Press
Type
repeatedly to
select edge trigger.
3. Press
Source
repeatedly to
select the trigger source.
Range
Channel 1, 2, Line, Ext
DSO-4000 User Manual
64
4. Press
Mode
repeatedly to
select the Auto or Normal
trigger mode. To select the
Single trigger mode, press
the Single key.
SINGLE
Range
Auto, Normal, Single
5. Press
Slope/coupling
to enter
into the trigger slope and
coupling selection menu.
6. Press
Slope
repeatedly to
select the trigger slope,
rising or falling edge.
Range
Rising edge, falling edge
7. Press
Coupling
repeatedly to
select the trigger coupling,
DC or AC.
Range
DC, AC
8. Press
Rejection
to select the
frequency rejection mode.
Range
LF, HF, Off
9. Press
Noise Rej
to turn the
noise rejection on or off.
Range
On, Off
10. Press
Previous
menu to go
back to the previous menu.