#    This is the channel Digitial Gain register which is a part of DPP_MISC  0x1n80



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

proc GetDigitalGain {} {
    variable NumChans

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

proc SetDigitalGain {w} {
    variable NumChans

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

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

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

}

    proc SaveDigitalGain {} {
    variable NumChans

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

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

    proc RestDigitalGain {} {
    variable NumChans

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

           variable Ch$i.DigitalGain
           set Ch$i.DigitalGain  [DBGetValue Ch$i.DigitalGain]
           WriteRegister Ch$i.DigitalGain  [DBGetValue Ch$i.DigitalGain]
      }

    }

proc DrawDigitalGain {} {
    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 Digitial Gain</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 "<select name=P$i size=1 \
       onChange=\"click_CHSETTING(document.[set Name], 'DigitalGain', '$i', document.CHSETTINGS.P$i.value)\">"

   set j 0
   foreach item {1 2 4 8}  {
     set vl $j
     if {$vl == [set ::[set Name]::Ch$i.DigitalGain]} {
        append html "<option value=$vl selected>$item</option>"
     } else {
        append html "<option value=$vl>$item</option>"
     }
     incr j
   }

   append html "</select>"

   append html  "</td>"


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



   append html  "</p>"

   return $html
}