4.9 Recording Using Specific Conditions (Trigger Function)
116
Set the trigger type and conditions. The options that can be set differ depending on
the trigger type.
This can be set on the [Trig] screen, [CH] screen, and [Wave+Trg] display.
Even if the channel setting is set to Off, the trigger condition can be set because measure-
ment is being performed. Also, the set trigger is enabled.
Setting the Trigger Type for Analog Input Signals
1
2
(Open/confirm the setting information.)
Select the trigger type from the set-
ting options of [Start (Start Trigger)].
Setting options (*. default setting)
Off∗, Level, In, Out, Drop, Judge
If [Stop] or [Start/Stop] is selected for the trigger timing when using the Real-time
Function, also set the setting column for the [Stop (Stop Trigger)].
Select the [Trig] screen.
Type of Analog
Trigger
Trigger Example Description
Level Trigger
[Level] (p. 117)
A trigger is applied when an input sig-
nal crosses the specified trigger level
(threshold voltage).
In-Window
Trigger
[In] (p. 119)
A trigger is applied when the input
signal enters a range defined by up-
per and lower thresholds.
Out-of-Window
Trigger
[Out] (p. 119)
A trigger is applied when the input
signal exits a range defined by upper
and lower thresholds.
Voltage Drop
Trigger
[Drop] (p. 120)
(High-speed Func-
tion)
A trigger is applied when the ampli-
tude of the input signal (at commer-
cial mains frequency) dips below the
specified trigger level. This is only se
-
lectable when the input mode is set to
[INSTNT].
Waveform Judg-
ment Trigger
[Judge] (p. 121)
(High-speed Func-
tion)
A trigger is applied when the set judg-
ment range is exceeded.
Target: Commercial power supply
(50/60 Hz) This is only selectable
when the input mode is set to [INST
-
NT].
Trigger level
Input
waveform
Trigger Slope
[ ↓ ]
[ ↑ ]
T T
Upper
Threshold
Lower
Threshold
T
T
Upper
Threshold
Lower
Threshold
T
T
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