• Log in as testbeam on wsmiata, and go to the directory

   ~testbeam/svx/svx_monitor

• First check the shape of the beam profiles.
• Set the file svx_profile.ffr as  folllow
     bg
                               svxdebug    F
                               firstevent    0
                               maxevent    5000
                               pedestal      F
                               pedjump      F
                               lallsig          F
                              sparse          F
                              noise            F
                              beam            T
                              action           F
                              cluster          F
                              stripalign      F    
                              correlat         F
 
• Set the file svx_trigger.ffr as follow

                trigmask   64
                beamtrig     64
                acttrig      0
                pedtrig      0
                noisetrig  768
 
• Start the task with the command:

               svx_monitor :           - takes data from the stream
               svx_monitor <file name> - takes data from the file

The recommended number of events is 5000.

When the task is finished, enter paw and give the command

   exec beam

to look at the histograms. The detector number and the measured projection are indicated for each plane. You can compare your plots with some reference histograms (5000 beam triggers). The spikes you can see for some of the detectors are just a feature of our readout electronics, the SVX-H chips.
• If there is no beam, or you want to check even better the detectors, collect some random triggers to look at the noise distribution. But befor starting the task set the

ffr files
     svx_profile.ffr:
                       bg
                       svxdebug    F
                       firstevent   0
                       maxevent   1000
                       pedestal     F
                       pedjump      F
                       lallsig          F
                       sparse        F
                       noise          T
                       beam          F
                       action         F
                      cluster         F
                      stripalign     F
                      correlat       F

     svx_trigger.ffr
                    trigmask    768
                    beamtrig     64
                    acttrig           0
                    pedtrig          0
                    noisetrig   768
 

Start the task with the command:

   svx_monitor :       or

   svx_monitor <file name>

The recommended number of events is 1000.

When the task is finished, enter paw and give the command

   exec noise

to look at the histograms. You can compare your plots with some reference histograms (1000 noise triggers)

If you notice discrepancies between your distributions and the reference ones, please inform one of the silicon experts. If the discrepancy is very large (e.g. the noise distributions present large groups of channels constantly firing, or the beam profiles are highly distorted by noise) call one of the experts. Otherwise just send us a mail and we will recalibrate the detectors as soon as possible! Night calls should be limited to real emergencies.

Troubleshooting:
            Most of the problems of the silicon are cured by stoping and starting the run.

 
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