Save/Recall - Hantek DSO4072 User Manual

Overtime Trigger: In Pulse Width trigger, you may sometimes be puzzled with the long time for
trigger, as you do not need a complete pulse width to trigger the oscilloscope, but want the trigger
occurs just upon the overtime point. This is called Overtime Trigger.
Options Settings
Type
Source
Positive
Polarity
Negative
Mode
Normal
Overtime
Coupling
HF Reject
LF Reject
Holdoff: To use Trigger Holdoff, push the HORIZONTAL Menu button and set the Holdoff Time
option by pressing F4. The Trigger Holdoff function can be used to generate a stable display of
complex waveforms (such as pulse trains). Holdoff is the time between when the oscilloscope
detects one trigger and when it is ready to detect another. During the holdoff time, the oscilloscope
will not trigger. For a pulse train, the holdoff time can be adjusted to let the oscilloscope trigger only
on the first pulse in the train.
Trigger Level
Indicates
Trigger Points

2.9 Save/Recall

Press the SAVE/RECALL button to save or recall oscilloscope setups or waveforms.
The first page shows the following menu.
Options Settings
REF
CH1
Source
CH2
DSO4000 Series Digital Storage Oscilloscope
knob to set the time span.
OT
CH1
Select the trigger source.
CH2
Select to trigger on positive or negative pulses.
Auto
Press F5 to select Overtime option and adjust V0 to set the

time.
AC
DC Selects the components of the trigger signal applied to the
trigger circuitry.
Acquisition Interval
Holdoff
Select a waveformsource to store.
Comments
Acquisition Interval
Holdoff
Comments
Basic Operation
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