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AdV-COM (AdV commissioning (1st part) )
chiummo, Ruggi - 10:35 Friday 15 June 2018 (41853) Print this report
Comment to DARM Offset Investigation (41844)

Due to my lack of familiarity with DSP cards, I did not realize that I did not put a 0 on the right BS AA TX switch. Paolo showed me that I put a zero on the switch related to BS TX drift control (page 2 of BS Mar card), while the switch for the full bandwidth was on page 3 of the same card. The switchs for the BS full bandwidth were already both set to zero, so even by enabling the general switch in metatron code does not actually engage the loops.

Bottom line, the sentence:

at 22:31 LT we engaged the full bandwidth loop for BS, but only on TX, manually disaabling the TY one on the DSP card

should read:

at 22:31 LT we disabled the drift control loop for BS, but only on TX, manually disaabling the TX on the DSP card

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