User Manual

6.7 Triggering by Analog Signals
140
6.7 Triggering by Analog Signals
6.7.1 About Analog Trigger Types and Settings
Type of Analog Trigger
[ ]: Displayed on screen
Trigger Example Description
Level Trigger
[Level]
(
⇒ p. 144)
A trigger is applied when an in-
put signal crosses the speci-
fied trigger level (threshold
voltage).
In-Window Trigger
[Win-In]
(
⇒ p. 146)
A trigger is applied when the
input signal enters a range de-
fined by upper and lower
thresholds.
Out-of-Window Trigger
[Win-Out]
(⇒ p. 146)
A trigger is applied when the
input signal exits a range de-
fined by upper and lower
thresholds.
Period Trigger
[Peri-In]
[Peri-Out]
(⇒ p. 147)
A trigger is applied when the
period of the input signal be-
comes longer (Out-of-Period)
or shorter (In-Period) than the
period defined by the limits at
the specified reference volt-
age.
Glitch Trigger
[Glitch]
(⇒ p. 149)
A trigger is applied when the
input signal pulse width be-
comes shorter than the speci-
fied Glitch Width.
Slope Trigger
[Slope]
(
⇒ p. 150)
A trigger is applied when the
input signal level matches the
specified trigger level in the
specified slope direction (rising
or falling).
Voltage Sag Trigger
[Drop]
(⇒ p. 152)
A trigger is applied when the
amplitude of the input signal
(at commercial mains frequen-
cy) sags below the specified
trigger level.
In addition to the above, the following criteria can be set:
• Trigger width setting (Trigger Filter) (⇒ p. 143)
• Setting the event count per trigger (Events) (⇒ p. 143)
Trigger Level
Input
Waveform
T
rigger Slope:
[
↓ ]
T
T
[ ↑ ]
T T
[ ↑↓ ]
Upper
Threshold
Lower
Threshold
T
T
Upper
Threshold
Lower
Threshold
TT
Period Lower Limit
Within Period Limits
Out of Limits
T
Reference
Voltage Level
Period
Upper Limit
Upper
Threshold
G
litch Width
Trigger Level
Input
Waveform
T
rigger Slope:[ ↑ ]
T
Level (+)
Width
T
Slope [ ↑ ]
T
1/2 Period
Trigger Level