User Manual

6.8 Triggering by Logic Signals (Logic Trigger)
153
6
Chapter 6 Trigger Settings
Input signals on logic channels serve as the trigger source. Triggering occurs
when the specified trigger pattern and logical probe combining criteria (AND/OR)
are met.
The trigger detection method can be selected according to whether a trigger is
applied or not when the criteria are already met at the start of measurement.
By using the trigger filter, triggering can be limited so as to occur only when trig-
ger criteria are met for at least the specified filter width.
Logic Trigger Setting Methods
Set on the [Logic] page of the Channel Settings screen. Settings can be made in
the following two ways:
• Set individual items
• Set by dialog
6.8 Triggering by Logic Signals (Logic Trigger)
Setting Individual Items
Trigger Mark
This mark appears when
the trigger setting is en-
abled.
Move the cursor to each item, and make the setting.
12 3 4 5 6
Setting by Dialog ([Logic Trigger] dialog)
Move the cursor to eac
h
item, and make the se
t-
ting. After making se
t-
tings, select the [Close
]
button to accept them.
2
34 5
Move the cursor to the trigger to set in the [Lch
]
column, and select F1 [All Settings] to open the
dialog.
F1
6
Setting Items Setting Choice
1
L ch A,B,..
Logic Channels
2
Trigger Sets the trigger probe combining logic (AND/OR).
3
Filter
Sets the filter width (trigger filter) for triggering.
Suppresses triggering from noise.(
⇒ p. 143)
4
1, 2, 3, 4 Selects the trigger pattern.
5
Detect Set the trigger detection method (level or edge).
6
Timing
When [Start & Stop] trigger timing is selected, choose which trig-
gers start and stop measurement. (
⇒ p. 138)