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Sweep
Auto
Normal
Single
Force the oscilloscope to trigger in the absence condi-
ton
Let oscilloscope to trigger in the suitable trigger condi-
ton
Let osclloscope to trigger one time in the suitable trig-
ger condition,then stop
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Term interpretation
■ Auto:
This sweep mode allows the oscilloscope to acquire waveforms even when it does
not detect a trigger condition. If no trigger condition occurs while the oscilloscope is
waiting for a specic period (as determined by the time-base setting), it will force itself
to trigger.
When forcing invalid triggers, the ll cannot synchronize the waveform,
and the waveform seems to roll across the display. If valid triggers occur, the display
becomes stable on the screen. Any factor results in the un-stability of waveforms can
be detected by Auto Trigger, such as the output of Power supply.
NOTE: When horizontal control is set more than 50 ms/div, Auto mode allows the
oscilloscope to capture without trigger signal.
■ Normal:
The Normal mode allows the oscilloscope to acquire a waveform only when it is
triggered. If no trigger occurs, the oscilloscope keeps waiting, and the previous
waveform, if any, will remain on the display.
■ Single:
In Single mode, after pressing the RUN/STOP key, the ll waits for trigger.
While the trigger occurs, the oscilloscope acquires one waveform then stop.
Save / Recall Waveforms and Setups
Press the
Save/Recall
button, the interface menu for settings shows as follows.
The Save/Recall Menu Table
Menu Setting Description
Type
Wave
Setup
Bitmap
CSV
Factory
Store or recall waveform
Store or recall instrument setups
Create or delete bitmap les
Create or delete CSV les
Recall factory setups
Internal Go to menu for internal memory operation
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