#    This is the channel charge zero suppression threshold register which is register  0x1n44



    for {set i 0} {$i < $NumChans} {incr i} {
        variable Ch$i.ZeroThreshold 0
    }

proc GetZeroThreshold {} {
   variable NumChans

    for {set i 0} {$i < $NumChans} {incr i} {
        variable Ch$i.ZeroThreshold
        set Ch$i.ZeroThreshold [ReadRegister Ch$i.ZeroThreshold]
    }
}

proc SetZeroThreshold {w} {
   variable NumChans

      for {set i 0} {$i < $NumChans} {incr i} {

         if {$w < $NumChans && $w != $i} {continue}

         variable Ch$i.ZeroThreshold
         WriteRegister Ch$i.ZeroThreshold [set Ch$i.ZeroThreshold]
      }

}

    proc SaveZeroThreshold {} {
   variable NumChans

      for {set i 0} {$i < $NumChans} {incr i} {

           DBSetValue Ch$i.ZeroThreshold [ReadRegister Ch$i.ZeroThreshold]
      }
    }

    proc RestZeroThreshold {} {
       variable NumChans
       variable Name

      for {set i 0} {$i < $NumChans} {incr i} {

          set value [DBGetValue Ch$i.ZeroThreshold]
          if {$value == "Error!"} {
              InsertLog "Unable to restore value for Ch$i.ZeroThreshold"
          } else {
             variable Ch$i.ZeroThreshold
             set Ch$i.ZeroThreshold $value
             set rc [catch {WriteRegister Ch$i.ZeroThreshold $value} m]
             if {$rc != 0} {InsertLog "Unable to restore value for Ch$i.ZeroThreshold"}
          }
      }

    }

proc DrawZeroThreshold {} {
   variable NumChans
   variable Name

   set html ""

   append html  "<p align=center>"
   append html  "<table cellpadding=0 cellspacing=0 border=1>"

   append html "<tr>"
   append html  "<td  align=center width=10%>Channel</td>"
   append html  "<td  align=center width=90%>Channel n Charge Zero Suppression Threshold</td>"
   append html  "</tr>"

for {set i 0} {$i < $NumChans} {incr i} {

   append html "<tr>"
   append html "<td align=center width=10%>$i</td>"

   append html "<td align=center width=90%>"

     append html "<input type=text name=P$i size=6 value=[set ::[set  Name]::Ch$i.ZeroThreshold]  \
          onMouseOver=\"activateEntry(document.CHSETTINGS.P$i)\" \  
              onChange=\"click_CHSETTING(document.[set  Name], 'ZeroThreshold', '$i', document.CHSETTINGS.P$i.value)\">"

   append html  "</td>"


   append html  "</tr>"
}
   append html  "</table>"



   append html  "</p>"

   return $html
}