This is a slave screen of the main Digitizer Control screen. The currently selected Digitizer (and hence Detector) is shown. This can only be changed from the main Digitizer Control screen. If you do this then return here and Reload the window. The various settings of the Core Preamp test pulser can be adjusted here:- Attenuation Frequency Mode the available settings are shown in the pull-down menus Fine Gain DAC this is adjusted by the slider CFD front panel output Enable FPGA pulser Enable pulser function these are enabled/disabled via the checkboxes Each setting is written to the hardware as it is changed.