Keysight Technologies 8163A/B Programming Manual page 164

4 Measurement Operations & Settings
command: [:SOURce[n]][:CHANnel[m]]:WAVelength:REFerence[l]?
syntax: [:SOURce[n]][:CHANnel[m]]:WAVelength:REFerence[l]?
description: Returns the reference wavelength (
parameters: none
response: The wavelength as a float value in meters.
example: sour2:wav:ref?
affects: All tunable laser and DFB modules
command: [:SOURce[n]][:CHANnel[m]]:WAVelength:REFerence:DISPlay
syntax: [:SOURce[n]][:CHANnel[m]]:WAVelength:REFerence:DISPlay
description: Sets the reference wavelength to the value of the output wavelength (
zero.
parameters: none
response: none
example: sour2:wav:ref:disp
affects: All tunable laser and DFB modules
164
λ
).
0
->
+1.5500000E-006<END>
λ -> λ
), that is, sets the frequency offset (d f) to
0
8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide