This is an old revision of the document!
The timing signals sent to the Phillips TDC, following the common start signal from the S800 trigger, must fit within the 400-ns TDC range. One complication arises from the fact that the S800 trigger delay is typically adjusted using the ULM trigger GUI during S800 tuning in order to set the trigger coincidence. As a consequence, all the timing signals going into the Phillips TDC must be delayed to match the TDC range. In order to facilitate this task, all the signals going into the Phillips TDC are previously sent to an XLMV72 programmable delayed module. The delays can be adjusted remotely by editing the configuration file s800tdcdelayini.tcl in directory /user/s800/operations/daq/usb/Configs
The delays can be remotely inspected and adjusted using a Delayed GUI.