Hioki 8715-01, Инструкция по эксплуатации

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4.5 Instantaneous Waveform Recording(Memory Record)
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Trigger point
Pre-trigger: OFF
Pre-trigger: 50%
Procedure Screen: CH SETTING
Flashing cursor
4.5.6 Setting the Pre-Trigger
The pre-trigger function serves to record the waveform not
only after but also before triggering has occurred.
In the Waveform measurement mode, using the recording
start point as 0% and the recording end point as 100%, the
trigger point can be specified in percent. When all trigger
sources are set to OFF, the pre-trigger setting is invalid.
1. Press the CH SET key to display the CH SETTING
screen.
2. Move the flashing cursor to the Pre-Trig position and use
the keys to make a setting.
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During the trigger waiting condition of the instantaneous
waveform trigger, NOT MEM STORAGE is displayed
until a trigger event occurs.
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When a trigger event occurs, the number of waveforms
acquired relative to the number of blocks available for
acquisition is indicated as MEM STORAGE 1/16.
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In the RMS Trend Measurement Mode, a trigger event
can be sensed during the pre-trigger period. In this case,
the length of data that can be acquired is shorter than the
set recording length.