Dm_sec = Dm_sec_e
Reset Watchdog
If Dm_status = 4 Then                                       'DM is there
      If Dm_sec <> 4 Then                                   'Security not yet active
            Reset Watchdog
            Disable Interrupts
            'Writeeeprom 4 , 2
            Dm_sec_e = Dm_status                            'Save Security
            Enable Interrupts
            Reset Watchdog
      End If
   Else                                                     'DM not there
      If Dm_sec = 4 Then                                    'Security active
            Do
               Toggle Loadled
               Toggle Dryled
               Toggle Tankled
               For Startwait = 1 To 50
                  Waitms 10
                  Reset Watchdog
               Next Startwait
            Loop                                            'Endless
      End If
End If