The FLIR A6x5 NUC can be set in either automatic or manual mode.
Manual mode: To set the NUC to manual mode, change the GenICam register NUCMode to Off (enum 0). To perform an NUC, the GenICam register NucAction must be called.
Automatic mode: To set the NUC to automatic mode, change the GenICam register NUCMode to Automatic (enum 1).