How does the Period trigger work?

he difference in sound production of bats (vocal cords) and insects (stridulation) affects the period continuity. The period trigger takes advantage of this:

Period trigger

The trigger fires when ProdVal and DivVal are lower than the set limits (see below), so if the values ​​are within the yellow range.

Advantages:

  • Insects (grasshoppers, crickets) not triggered or only very rarely

Disadvantage:

  • Low frequency bats may not be identified
  • Sensitivity sometimes a little lower than Crest trigger

Settings (Values mean default values):

  • ProdVal = 8, higher values ​​trigger easier
  • DivVal = 20, higher values ​​trigger easier
More about:
BATLOGGER
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