2-12
IM DLM4038-02EN
Setting the Trigger Source (Source)
Press the Source soft key to display one of the menus shown below. The menu that is displayed
varies depending on the specified trigger source.
When the Trigger Source Is
a Channel from CH1 to CH8
When the Trigger
Source Is LOGIC
When the Trigger Source Is
EXT (External trigger signal)
Set the trigger
coupling, HF rejection,
noise rejection, and the
window comparator.
► section 2.3
Set the trigger source
(CH1 to CH8).
Set the trigger
source (LOGIC).
Set the trigger source
(EXT).
Set the probe
Set the polarity.
• Select or
when the window
comparator is off.
• Select IN or OUT
when the window
comparator is on.
Set the polarity
( , ).
Set the polarity
( , ).
Set the trigger level.
Set the trigger level.
Set the source bit
(L0 to L7, A0 to A7,
B0 to B7).*
Set the source bit
* A0 to A7 and B0 to B7 are available on models with the /L16 options.
Setting the Time Width Mode (Mode)
Set what kind of relationship must be established between the trigger source’s pulse width and the
specified reference times (Time1 and Time2) for the DLM4000 to trigger.
More than: The pulse width must be longer than reference time Time1.
Less than: The pulse width must be shorter than reference time Time1.
Between: The pulse width must be longer than Time1 but shorter than Time2.
OutOfRange: The pulse width must be shorter than Time1 or longer than Time2.
TimeOut: The pulse width must be longer than reference time Time1.
2.7 Triggering on Pulse Width