As of yet, with the sensitivity knob set to ~ 5, I've yet to even record a tree-dwelling Katydid.
CF card must be formatted (Quick Format is OK). Then, initialized using the 'Cfcread' app (on the Titely CD-ROM); this takes several minutes."
One might say, that the process of checking the bat recordings requires a step or two more, than other high-end (recording) bat detectors. Once again, I will share a cutting from the Anabat User Manual:
So, it's Nice to have file recovery tools / corrupt files - The following is from page 87, of the User Manual: