2 Using the 8990B46 Keysight 8990B User’s GuideAcquisition Run Start waveform acquisition. Refer to “Starting and Stopping WaveformAcquisition” on page 63 for more information.Stop Stop waveform acquisition. Refer to “Starting and Stopping WaveformAcquisition” on page 63 for more information.Clear Display Clear the waveform display, measurement data, marker information, droopmeasurement data, and waveform averaging. Refer to “Clearing theWaveform Display” on page 66 for more information.Zoom Magnify a section of the waveform. Refer to “Magnifying a Section of theWaveform Using Zoom” on page 108 for more information.CCDF Display the Complementary Cumulative Distribution Function (CCDF)information for the RF input channels. Refer to “Displaying theComplementary Cumulative Distribution Function (CCDF) Information” onpage 113 for more information.Split screen Split the waveform screen to four separate channel screens. Refer to“Splitting the Waveform Screen” on page 111 for more information.MultiPulse Access the multipulse mode. Refer to “Accessing the Multipulse Mode” onpage 120 for more information.Display XY Display the XY Display mode. Refer to “Accessing the Display XY Mode” onpage 127 for more information.Auto-Scale Scale the waveforms to the optimized display. Refer to “EnablingAutoscale” on page 73 for more information.Undo Autoscale Undo the autoscaling. Refer to “Enabling Autoscale” on page 73 for moreinformation.Save measurement... Log and save the measurements data. Refer to “Logging and Saving theMeasurement Data” on page 159 for more information.Setup Channel 1... Configure the channel 1 settings. Refer to “Accessing the Channel Setup”on page 51 for more information.Channel 2... Configure the channel 2 settings. Refer to “Accessing the Channel Setup”on page 51 for more information.Table 2-1 Toolbar menus (continued)Level 1 menu Level 2 menu Description