Keysight Technologies 86120B User Manual page 168

Multi-wavelength meter
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Description
Syntax
Attribute Summary
Description
Programming Commands
CALCulate2 Subsystem
A laser line is identified as a valid peak if its amplitude is above the maximum
amplitude minus the peak threshold value. The subtraction is done in dB units. This
setting works in conjunction with the peak excursion setting to determine which
responses are located.
threshold limit causes the instrument to reprocess the current set of data. Refer also
to
"To define laser-line peaks" on page
The query response is the current value. For example, if the current value is set to 15
dB, the following value is returned:
15
Non-sequential command
Always use an *OPC? query or a *WAI command to ensure that this command
has the time to complete before sending any more commands to the instrument.
Refer to "Always force the Keysight 86120B to wait for non-sequential com-
mands" on page 92
for more information.
PWAVerage[:STATe]
Places the instrument in the power-weighted average mode.
:CALCulate2:PWAVerage[:STATe]{?| {ON | OFF | 1 | 0}}
Preset State: off
*RST State: off
When the state is on, the CALC2:DATA? POW query returns the total power and
the CALC2:DATA? WAV, FREQ, or WNUM query returns the power-weighted
average wavelength, frequency, or wave number values.
Turning power-weighted average mode on while making delta, coherence length, or
signal-to-noise measurements results in a "–221 Settings conflict" error.
WLIMit[:STATe]
Limits input wavelength range of the Keysight 86120B.
166
Refer to "PEXCursion" on page
54.
164. Changing the peak

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