User Manual

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4. Holdoff: Trigger holdoff can be used to stabilize a waveform. The holdoff
time is the oscilloscope's waiting period before starting a new trigger. The
oscilloscope will not trigger until the holdoff time has expired. It provides a
chance for user to check the signal in a short period and helps to check some
complex signals, such as AM waveform etc.
How to Operate the Function Menu
The function menu control zone includes 6 function menu buttons: Utility,
Measure, Cursor, Acquire, Save, Autoscale and 4 immediate-execution
buttons: Autoset, Run/Stop, Single, Copy.
How to Implement Sampling Setup
Press the Acquire button; select Mode or Length to set sampling.
The description of the Mode menu is shown as follows:
Function Menu
Setting
Description
Sample
Normal sampling mode.
Peak detect
Use to capture maximal and minimal samples.
Finding highest and lowest points over adjacent
intervals. It is used for the detection of the
jamming burr and the possibility of reducing the
confusion.
Average
4、8、16、32、64、
128、256、512
It is used to reduce the random and don't-care
noises, with the optional number of averages.
The description of the Length menu is shown as follows:
Function Menu
Setting
Description
Length
760
Choose the record length
7.6K
76K
760K
7.6M
Change the Mode settings and observe the consequent variation of the wave
form displayed.