Global Control Screen

The global control screen allows a user to set control values that are written to all the digitizers in Gammasphere's DAQ system - in other words, it allows a user to specify the parameters of their desired waveform.

• Section 1 of the screen inside the red rectangle has four columns, each of which represent the different signals sent from detectors.

The user sets these parameters so the time values can determine which signal shapes should be saved as waveform data, and how much of it should be saved. The threshold, PARST delay and CFD fraction are used to select how sensitive the digitizer is to the amplitude of the expected signals. Once all the values in the red section 1 are set, the user has to send a "load delays" command (the green button), which restarts the firmware and processes the data with the newly set values.

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