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4.Advanced User Guidebook
28
When the wave selection is small, a dotted box appears outside the
selection to make the selection more recognizable.
Magnifier Window Cursor Measurement
When the magnifier function is on:
1. Click to call up the menu panel.
2. Click the Cursor softkey on panel to switch to the ON state.
3. In the bottom menu, select Window as the Main or Extension to make the
cursor line appear in the main window or magnifier window.
How to Operate the Function Menu
Menu panel
Click the
icon on the right bottom of the display area, a menu panel
will be shown. It has 15 function menu softkeys: Trig Menu, Acquire,
Utility, Display, Save, Measure, Cursor, Math, Decode, Autoscale,
HOR, FFT, XY, P/F, DMM.
Executive Buttons
There are 5 executive buttons at the bottom right of the front panel: Copy,
Default, Run/Stop, Single, Autoset.
Set the Trigger/Decoding System
Trigger determines when DSO starts to acquire data and display waveform.
Once trigger is set correctly, it can convert the unstable display to meaningful
waveform.
When DSO starts to acquire data, it will collect enough data to draw waveform
on left of trigger point. DSO continues to acquire data while waiting for trigger
condition to occur. Once it detects a trigger it will acquire enough data
continuously to draw the waveform on right of trigger point.
Trigger control area consists of a knob and a menu button.
Upper knob: When the Trigger button is lit, the knob that set the trigger level;
push the knob and the level will be set as the vertical mid-point values
of the amplitude of the trigger signal.
Trigger button: The button that activates the trigger control menu.
Trigger Control
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