Chapter 2 Before use
2-16
Using
*OPC
and
*ESR?
The
*OPC
common command sets the standard event status register bit to
0 and displays the OPC bit.
Examples of Use:
*CLS
Sets the OPC bit to 0.
*ESE 1
Sets standard event status enable bit to 1
INIT
Executes averaging measurement
*OPC
Sets so as to change standard event status
register OPC bit (bit 0) to 1 after
measurement completed
*ESR?
Standard Event Status register query
> 0
Measuring when response is 0
*ESR?
Standard Event Status register query
> 1
Measuring stopped when response is 1.
SENS:TRAC:READY?
Queries presence/absence of measured
waveform data
> 1
Waveform data is ready when response is 1.
TRAC:LOAD:SOR?
Gets trace object from OTDR
SOUR:WAV 1550
Changes wavelength
INIT
Starts measurement with new measurement
conditions
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