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The display area shows information and statistics for the particular tab
that is selected. The type of markers that are shown in the waveform
viewing area depend on the tab that you have selected. The selected tab
has an orange border to reflect the type of markers being displayed. For
example, when the Histogram tab is selected, the markers are histogram
markers and are used to define the histogram window.
Waveform Display Area
The waveform display area shows the waveforms, and optionally, the
results of your measurements. Several display options, including a grid, are
available and can be configured using the graphical interface.
Waveform Manipulation When using the graphical interface, two features
are available that can simplify your work with waveforms:
• Direct Manipulation — you can use the mouse to click and drag
• Zoom — you can click and drag a rectangular area on the display, then
See "To zoom on a section of the waveform" on page 71.
Avoid Overdriving Vertical Input Amplifiers
N O T E
When zooming on a waveform with the oscilloscope running, be careful to keep the signal
within the screen vertically to avoid overdriving the vertical input amplifiers. Overdriving
causes waveform distortion and erroneous measurement results.
Ground Reference Indicators A small symbol is shown at the right side of
the waveform display area for each waveform that is on, including
channels, waveform memories, and functions. This symbol represents the
ground reference point for each channel; it moves when you change the
vertical offset. You can also drag this symbol up and down using the
mouse or touch screen; doing so automatically changes the vertical offset
for that waveform.
Agilent Infiniium 90000 Q-Series Oscilloscopes User's Guide
waveforms to new vertical positions, which changes the vertical offset,
or to new horizontal positions, which changes the horizontal position or
delay value.
click the Waveform Zoom menu item to zoom on that section of
displayed waveforms. The oscilloscope does this in one of two ways. If
acquisition is stopped, the magnification is done by the oscilloscope
software. If acquisition is running, the oscilloscope automatically adjusts
the vertical scaling and offset and the horizontal scale and position to
present the zoomed section of the waveforms.
Using the Oscilloscope
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