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8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide
4
Measurement Operations & Settings
command:
[:SOURce[
n
]][:CHANnel[
m
]]:FM:STATe[
l
]
syntax:
[:SOURce[
n
]][:CHANnel[
m
]]:FM:STATe[
l
]<wsp>OFF|ON|0|1
description:
Enables and disables frequency modulation of the laser output.
parameters:
A
boolean
value:
OFF or 0: disable frequency modulation
ON or 1: enable frequency modulation.
response:
none
example:
sour2:fm:state 1
affects:
Keysight 81960A, 81980A, 81940A, 81989A, 81949A compact tunable lasers.
command:
[:SOURce[
n
]][:CHANnel[
m
]]:FM:STATe[
l
]?
syntax:
[:SOURce[
n
]][:CHANnel[
m
]]:FM:STATe[
l
]?
description:
Queries the current state of frequency modulation of the laser output.
parameters:
none
response:
A
boolean
value:
0: frequency modulation is disabled
1: frequency modulation is enabled.
example:
sour2:fm:state?
->
+1
<END>
affects:
Keysight 81960A, 81980A, 81940A, 81989A, 81949A compact tunable lasers.
