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Smooth (Scope) Averages multiple samples of a waveform. Useful to suppress noise without loss of bandwidth.
Square Wave A common waveform that consists of repeating square pulses.
Sweep Speed see "Time Base"
Time Base The time defined per horizontal division on the display, expressed in seconds per division.
Time Delay The time between the trigger event and the real acquisition of the waveform.
Top Display The upper edge of the display, where the ScopeMeter test tool lists probe calibration, voltage scale, time base, input coupling, and trigger information.
Trace The displayed waveform that shows the voltage variations of the input signal as a function of time.
Trigger Determines the beginning point of a waveform.
Trigger Level The voltage level that a waveform must reach before the ScopeMeter test tool will read in.
Trigger Slope The voltage direction necessary for the ScopeMeter test tool to begin its trace. A positive slope requires the voltage to rise as it crosses the trigger level. A negative slope requires the voltage to fall.
Trigger Source The signal that triggers the ScopeMeter test tool. This can be the waveform being viewed, or it can come from another waveform.
Voltage Spike A momentary increase or decrease in voltage (see also Glitch).
Waveform The pattern defined by an electrical signal.
Window A list of functions from which you can choose. You open a window with the
Zoom Displays a live waveform with increased time resolution, giving up to 1000x magnification.
