\contentsline {section}{\numberline {1}Algorithms}{2} \contentsline {subsection}{\numberline {1.1}Shower Clusters Reconstruction}{2} \contentsline {subsection}{\numberline {1.2}Shower Detector Channels Calibration}{3} \contentsline {section}{\numberline {2}For ESPACE User}{4} \contentsline {subsection}{\numberline {2.1}ESPACE Variables}{4} \contentsline {subsection}{\numberline {2.2}Calibration Initiation}{5} \contentsline {subsection}{\numberline {2.3}Program Messages}{8} \contentsline {section}{\numberline {3}For ESPACE Programmer}{9} \contentsline {subsection}{\numberline {3.1}ESPACE Internal Variables}{9} \contentsline {subsection}{\numberline {3.2}ESPACE Program Modules}{11} \contentsline {section}{\numberline {4}Calibration on Cosmic Ray Data}{17} \contentsline {section}{\numberline {5}Shower Detector Channels Stability Control}{19} \contentsline {section}{\numberline {6}$e/\pi $ Identification}{22} \contentsline {subsection}{\numberline {6.1}How to use the "Gas Cherenkov" and "Total Shower" detectors for $e/\pi $ rejection.}{22}