Glossary
Glossary
G4
Negative Overshoot Measurement
Amplitude (voltage) measurement.
NegativeOvershoot + Low * Min
Amplitude
100%
Negative Width
A timing measurement of the distance (time) between two amplitude
points
fallingedge MidRef (default 50%) and risingedge MidRef
(default 50%)
on a negative pulse.
Normal Trigger Mode
A mode on which the oscilloscope does not acquire a waveform record
unless a valid trigger event occurs. It waits for a valid trigger event before
acquiring waveform data.
Pixel
A visible point on the display. The oscilloscope display is 640 pixels wide
by 480 pixels high.
PopUp Menu
A submenu of a main menu. Popup menus temporarily occupy part of
the waveform display area and present additional choices associated
with the main menu selection. You can cycle through the options in a
popup menu by repeatedly pressing the main menu button underneath
the popup.
Positive Duty Cycle
A timing measurement of the ratio of the positive pulse width to the signal
period, expressed as a percentage.
Positive Overshoot
Amplitude (voltage) measurement.
Positive Overshoot +
MaxHigh
Amplitude
100%
Positive Width
A timing measurement of the distance (time) between two amplitude
points
risingedge MidRef (default 50%) and fallingedge MidRef
(default 50%)
on a positive pulse.
Pretrigger
The specified portion of the waveform record that contains data acquired
before the trigger event.
Real Time Sampling
A sampling mode where the oscilloscope samples fast enough to com
pletely fill a waveform record from a single trigger event. Use realtime
sampling to capture singleshot or transient events.
Record Length
The specified number of samples in a waveform.
Reference Memory
Memory in an oscilloscope used to store waveforms or settings. You can
use that waveform data later for processing. The oscilloscope saves the
data even if you turn it off or unplug it.
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