Hioki LR8400-20, Instruction Manual

Page: 114 / 300

5.1 Triggering Measurement Start and Stop
102
There are three ways to set the criteria to start and stop recording according to
waveform slope.
Select whether to trigger at the rising or falling edge of the input signal.
5.1 Triggering Measurement Start and Stop
Types of Trigger Criteria
Type of Analog
Trigger
Trigger Example Description
Level Trigger
(p. 104)
[Level]
Recording starts (or stops) when the
input signal crosses the specified trig-
ger level (voltage).
Window Trigger
(p. 105)
[In]
Recording starts (or stops) when the
input signal enters a range defined by
upper and lower thresholds.
[Out]
Recording starts (or stops) when the
input signal exits a range defined by
upper and lower thresholds.
Logic Trigger
(p. 106)
[1]
Measuring starts and stops when the
input signal logic switches from Low to
High.
[0]
Measuring starts and stops when the
input signal logic switches from High to
Low.
[X]
Signal is ignored. No triggering occurs.
Trigger Level
Input
Trigger Slope
[
↓
]
[
↑
]
T T
Upper
Threshold
Lower
Threshold
T
T
Upper
Threshold
Lower
Threshold
T
T
T T T
High
Low
T T
High
Low
High
Low