region.
Window expansion
Expand the window setup region to the whole screen to
increase the resolution relative to the main time base, so that
the image details can be conveniently checked.
2.6.1 Horizontal control knob
The horizontal knob [s/div] changes the horizontal scale (time base), and the
[POSITION] knob changes the horizontal position (triggered displacement) triggered in
the internal memory. The center of the screen in the horizontal direction is a time
reference point of the waveform. Change of the horizontal scale will cause expansion
or contraction of the waveform relative to the center of the screen, while the change of
the horizontal position is relative to the position of a trigger point.
Horizontal [POSITION] knob
1. Regulate the horizontal position (trigger the position relative to the center of the
display screen) of the waveform (including MATH). The resolution of this control
knob is changed according to the time base.
2. Use the press down function of this knob to make the horizontal displacement return
to zero, namely back to the central position of the screen.
[S/div] knob
1. The knob is used for changing the horizontal time scale so as to conveniently
observe the most suitable waveform.
2. The knob is used for regulating the main time base. When the window expansion
mode is adopted, the knob is used for changing the expansion time base so as to
change the window width.
Display Scan mode
When the time base is set to be 100ms/div or more slowly and the trigger mode is set
to “Auto”, the oscilloscope enters the scan mode. At this mode, waveform display is
renewed from left to right. At the mode, no waveform trigger or horizontal position
control exist. The channel coupling should be set as direct current when a
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