Agilent Technologies 54810A User's Quick Start Manual page 66

Using the Oscilloscope
Waveform Manipulation
features are available that can simplify your work with waveforms:
• Direct Manipulation—you can use the mouse to click and drag
waveforms to new vertical positions, which changes the vertical offset,
or to new horizontal positions, which changes the horizontal position
or delay value.
• Zoom—you can click and drag a rectangular area on the display, then
click inside it to zoom on that section of the 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 sweep speed and position to present the
zoomed section of the waveforms.
See "To zoom on a section of the waveform" on page 3-49.
Avoid Overdriving Vertical Input Amplifiers
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.
This causes waveform distortion and erroneous measurement results.
Ground Reference Indicators
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; doing so automatically changes the vertical offset for that
waveform.
Menu Control and Menus
The graphical interface control button, in the upper right-hand corner
of the display, enables the graphical interface of the oscilloscope. When
the graphical interface is enabled, the display looks like figure 3-15 and
figure 3-16, including a menu bar, measurement toolbar (if enabled), and
graphical controls for vertical, horizontal, trigger, and acquisition. You
can switch to full-screen mode to maximize the waveform viewing area
and eliminate the menu bar, measurement toolbar, and other graphical
controls.
3-26
When the graphical interface is enabled, two
A small symbol is shown at the right side