14:10 started up the DAQ. HV and TEMPS OK.

Peak threshold with 1V pulser measured at ~ 175 ADC channels. Attachment 3.

14:24 DAQ stopped and detector debiased. We are going to do the following:

1. Cover the snout with a black cloth to check if it is light tight!
2. Disconnect the detector signal cable from the FEE64 adaptor card of aida14.

We put a black cloth cover over the snout, but pulser peak width remained the same ~161 ADC channel. Attachment 4,5.

We disconnected the cable from aida14 and the FWHM pf the pulser is ~15 ADC channels (as expected)

Wrapped the snout with more copper tape at the point where the PCB ground makes contact with the snout to ensure better contact, this seems to improve the FWHM to ~95 ADC channels