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8-8
Channel Commands
WAVelength
WAVelength
Command :CHANnel<N>:WAVelength {WAVelength1 | WAVelength2 | WAVelength3 | USER}
This command sets the wavelength selection for optical channels. Modules can support one,
two, or three factory-defined wavelengths. The module will have one factory calibration for
each factory-defined wavelength. Invoke these calibrations using WAV1, WAV2, or WAV3. One
user-defined wavelength may also be defined via the Channel Calibrate menu. The USER
selection is only valid if this user-defined calibration has been performed. The calibration will
request the wavelength that the USER choice corresponds to. This command will also recog-
nize W1310 as an equivalent for WAVelength1 and W1550 for WAVelength2, for compatibility
with the Agilent 83480A/54750A.
<N> represents the channel number and is an integer 1 to 4.
When an unsupported wavelength is specified, the instrument ignores the command. For
example, for modules with two factory-defined wavelengths, WAV3 will not change the cur-
rent wavelength selection.
Restrictions For WAV3 argument, software revision A.04.10 and above required.
Query :CHANnel<N>:WAVelength?
The query returns the currently selected wavelength for the channel.
Returned Format [:CHANnel<N>:WAVelength] {WAV1 | WAV2 | WAV3 | USER} <cal wavelength><NL>
The returned <cal wavelength> string can be one of four values: 8.50E-007, 1.310E-006,
1.550E-006, or a user-defined value.
Example 10 OUTPUT 707;":SYSTEM:HEADER OFF” !Response headers off
20 OUTPUT 707;":CHANnel1:WAVELENGTH?"
30 ENTER 707;Setting