164
8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide
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 (
λ
0
).
parameters:
none
response:
The wavelength as a
float
value in meters.
example:
sour2:wav:ref?
->
+1.5500000E-006<END>
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 (
λ
->
λ
0
), that is, sets the frequency offset (df) to
zero.
parameters:
none
response:
none
example:
sour2:wav:ref:disp
affects:
All tunable laser and DFB modules
