5-32 Keysight B2900 User’s Guide, Edition 5Front Panel OperationsTo Use Trace BufferTo Use Trace BufferThis section describes how to set the trace buffer and how to display the statisticaldata. For details on this function, see “Trace Buffer” on page 6-23.To use the trace buffer, set the trace buffer and source output and measurementconditions, and then press the Trigger key.• “To Set Trace Buffer”• “To Display Statistical Data”To Set Trace BufferFor details on the setup parameters, see “Trace Buffer Setup dialog box” on page4-36.1. Press the Function > Trace function keys.The Trace Buffer Setup dialog box opens.2. In the Ch field, set the channel to which the setting change is applied.3. In the Feed Data field, set SENSE (for collecting the measurement result data),MATH (for collecting the calculation result data), or LIMIT (for collecting thelimit test result data).4. In the Buffer Control field, set NEXT (for enabling the write operation to thetrace buffer) or NEVER (for disabling it).5. In the Buffer Size field, set the size of the trace buffer (1 to 100000).6. To apply the settings, press Apply.To apply the settings and close the dialog box, press OK.To cancel the setting change, press the Cancel/Local key.NOTE To specify the measurement result data (SENSE) to be collected, use “Format(Measure) dialog box” on page 4-47.To specify the calculation result data (MATH) or limit test result data (LIMIT) to becollected, use “Format (Math/Limit) dialog box” on page 4-47.To change the statistical data to be saved in the trace buffer, use “Format (Trace)dialog box” on page 4-47.