Some instructions on changing event triggers...

TO CHANGE FROM PULSER TRIGGER TO MUON TRIGGER:

1. Channel A in the 4-fold coincidence 'TRIG' is fed from the 4-fold 
   coincidence labeled 'M' (muon).  
2. The 'M' coincidence is triggered from input channel 'D' for the 
   pulser trigger.  In this mode, 'A', 'B', and 'C' are OFF.
3. To change from pulser trigger to muon trigger, simply -
   - turn OFF channel 'D' and turn ON channels 'A', 'B', and 'C' in the 
     'M' coincidence.  This will deactivate the pulser input and activate
     the elements required for the muon trigger.  
4. No changes are required for the 'TRIG' module.