Manual:DIL Manual SFB TICK

SFB_TICK           Timer message

  When this flag is set, the routine gets activated by a "clock". The clock
  ticks (in 1/4th of a second) are determined by the 'heartbeat' variable.

     'activator'... is null.
     'argument'.... will be empty.

      command(CMD_AUTO_TICK) will evaluate to TRUE.
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