Keysight Technologies 86120B User Manual page 157

Examples
Query Response
Syntax
Attribute Summary
Description
MINimum 0.001 resolution (normal)
DEFault Current resolution
:CONF:ARR:POW:WNUM DEF MAX
:FETC:ARR:POW:WNUM? DEF MIN
:READ:ARR:POW:WNUM?
:MEAS:ARR:POW:WNUM?
:CONF:SCAL:POW:WNUM 6451, MAX
:FETC:SCAL:POW:WNUM? 6451, MIN
:READ:SCAL:POW:WNUM? 6451
:MEAS:SCAL:POW:WNUM? 6451
If the :MEAS:SCAL:POW:WNUM? 6451 command is sent, and a 1550 nm laser
line is present, the following response would be returned to the computer:
+6.45286262E+005
Notice that the returned units are m
:MEAS:ARR:POW:WNUM? is sent, the following response is returned. Notice that
the first returned number indicates the number of laser-line values returned in the
query.
6,+6.47298400E+005,+6.46627900E+005,+6.45957000E+005,+6.45286300E+005,+6.4461
5600E+005,+6.43945300E+005
MEASure[:SCALar]:LENGth:COHerence:ALPHa?
Queries the alpha constant.
:LENGth:COHerence:ALPHa?
Query Only
The alpha constant is a unitless ratio.
1. If six laser lines are measured and
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Programming Commands
Measurement Instructions
155