Keysight Technologies 8163A/B - Page 147

8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide 147
Measurement Operations & Settings 4
command: [:SOURce[n]][:CHANnel[m]]:POWer:ATTenuation[l]:DARK
syntax: [:SOURce[n]][:CHANnel[m]]:POWer:ATTenuation[l]:DARK<wsp>OFF|ON|0|1
description: Sets or unsets the attenuator to ‘dark’ position.
Dark position blocks all light from the laser. You can use this as an alternative to disabling the laser, the advantage of doing
this is that you avoid the laser rise time.
This command is available in Attenuation Mode Only.
parameters: OFF or 0:
ON or 1:
Unsets dark position
Sets dark position
response: none
example: sour0:pow:att:dark 1
affects: All tunable laser modules with a built-in optical attenuator.