Outgoing Signals Inverted / Not Inverted

You can configure the OUT pins of the trigger board to send the outgoing trigger signals in inverted mode.

Not inverted: 

Not inverted is the default setting. The DIP switch for the inversion mode (switch 4) is in OFF position. The LED O INV is OFF:

Inverted:

The DIP switch for the inversion mode (switch 4) is in ON position. The LED O INV is ON: