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8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide
4
Measurement Operations & Settings
response:
attenuation level relevant to the current value or specified parameter (if MIN, MAX, or DEF are chosen as a parameter).
example:
sour0:pow:att? def
->
+3.1E001<END>
affects:
All tunable laser modules with an in-built optical attenuator, and all laser source modules.
command:
[:SOURce[
n
]][:CHANnel[
m
]]:POWer:ATTenuation[
l
]:AUTO
syntax:
[:SOURce[
n
]][:CHANnel[
m
]]:POWer:ATTenuation[
l
]:AUTO<wsp>OFF|ON|0|1
description:
Selects Automatic or Manual Attenuation Mode.
In Automatic Attenuation Mode, you specify the output power.
In Manual Attenuation Mode, you must specify both the laser output power, and the attenuation level.
parameters:
OFF or 0:
ON or 1:
Attenuation Mode
Power Mode
response:
none
example:
sour0:pow:a
tt:auto 1
affects:
All tunable laser sources with a built-in optical attenuator.
command:
[:SOURce[
n
]][:CHANnel[
m
]]:POWer:ATTenuation[
l
]:AUTO?
syntax:
[:SOURce[
n
]][:CHANnel[
m
]]:POWer:ATTenuation[
l
]:AUTO?
description:
Queries whether the instrument is in Automatic or Manual Attenuation Mode.
parameters:
none
response:
0:
1:
Manual Attenuation Mode
Automatic Attenuation Mode
example:
sour0:pow:att:auto?
->
1<END>
affects:
All tunable laser modules with a built-in optical attenuator.
