78 Chapter 3 
Mode
Meas Off (Spectrum Analyzer) Measurement
Mode
Trace/Detector
Accesses the Trace/Detector menu keys that control the acquisition, display, storage, 
detection and manipulation of trace data.
Select Trace 
Selects which trace the 
Trace Type menu keys will affect. Press Select Trace until the 
number of the desired trace is underlined.
Clear Write 
Activates the 
Clear Write function for the selected trace. Pressing Clear Write erases 
previously stored data in the selected trace and continuously displays any signals during 
the sweep of the analyzer. The sweep count for 
Average, Max Hold and Min Hold is reset.
Because pressing Clear Write stops the current sweep and prepares to begin a new one, 
Average, Max Hold and Min Hold data may be interrupted in mid-sweep and the trace 
restarts and the count is reset. In general, the count is updated at the end of each trace. 
When 
Clear Write is pressed for one trace, Average, Max Hold and Min Hold restarts for all 
traces.
When in 
Clear Write, if a measurement-related instrument setting is changed the 
Mode SA
Remote Command :TRACe[1]|2|3|4:TYPE 
WRITe|AVERage|MAXHold|MINHold
:TRACe[1]|2|3|4:TYPE?
Example TRAC:TYPE AVER
Remote Command Notes 1|2|3|4 selects the trace.
Preset Write. Only trace 1 is displayed at Preset.
Key Path
Trace Detector
Remote Command Notes No equivalent remote command.
Preset 1
State Saved The number of the selected trace is saved in Instrument State 
Range 1 | 2 | 3 | 4
Key Path
Trace/Detector, Select Trace