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Signal Generation – The SOURce Subsystem Measurement Operations & Settings
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition 127
command:
[:SOURce[n]][:CHANnel[m]]:POWer:STATe
syntax: [:SOURce[n]][:CHANnel[m]]:POWer:STATe<wsp><boolean>
description: Switches the laser of the chosen source on or off.
parameters: A boolean value: 0: Laser Off
1: Laser On
response: none
example: sour2:pow:stat 1
affects: All laser source, DFB source, and tunable laser modules and return loss modules with an in-
ternal source
command:
[:SOURce[n]][:CHANnel[m]]:POWer:STATe?
syntax: [:SOURce[n]][:CHANnel[m]]:POWer:STATe?
description: Queries the laser state of the chosen source.
parameters: none
response: A boolean value: 0: Laser Off
1: Laser On
example: sour2:pow:stat? → 1<END>
affects: All laser source, DFB source, and tunable laser modules and return loss modules with an in-
ternal source
command:
[:SOURce[n]][:CHANnel[m]]:POWer:UNIT
syntax: [:SOURce[n]][:CHANnel[m]]:POWer:UNIT<wsp>DBM|0|Watt|1
description: Sets the power units
parameters: 0 or DBM:
1 or W:
dBm (default)
Watts
response: none
example: sour2:pow:unit w
affects: All tunable laser and DFB source modules
command:
[:SOURce[n]][:CHANnel[m]]:POWer:UNIT?
syntax: [:SOURce[n]][:CHANnel[m]]:POWer:UNIT?
description: Return the current power units
parameters: 0:
1:
dBm
Watts
response: none
example: sour2:pow:unit? → +0<END>
affects: All tunable laser and DFB source modules