EXFO FTB -5240S/5240BP Optical Spectrum Analyzer User Manual
Page 622
SCPI Command Reference
616
FTB-5240S/S-P/BP
Examples on Using the SCPI Commands
Performing a Continuous Acquisition with
Synchronized Intermediate Results Query (WDM)
Command Sequence
Comments
analysis parameters> See Configuring the Analysis Setup for the Next TRAC:FEED:CONT "TRC1", NEXT Disable continuous refresh of WDM analysis active trace; set feed control for "one-shot" refresh. SENS:CORR:OFFS:MAGN 0.0 DB Disable power offset. SENS:WAV:OFFS 0.0 NM Disable wavelength offset. SENS:FREQ:STAR 190.9506 THZ Set sweep frequency range. SENS:FREQ:STOP 196.5852 THZ "" SENS:AVER:STAT OFF Enable trace averaging. TRIG:SEQ:SOUR IMM Set sweep trigger event source to immediate. STAT? Test instrument state is idle. Poll STAT? until the returned state is READY. INIT:CONT ON Start sweep acquisition loop. TRAC:FEED:CONT? "TRC1" Wait for the first trace refresh to be done. Poll WDM analysis trace feed until the returned value is NEVER. See Retrieving Analysis Results (WDM) on TRAC:FEED:CONT "TRC1", NEXT Reactivate WDM analysis trace feed control for another "one-shot" refresh. TRAC:FEED:CONT? "TRC1" Wait for trace refresh done. Poll trace feed until the returned value is NEVER.
Acquisition Sequence (WDM) on page 603.