Preparing the Recorder
About compatible microSD cards
You can use microSD/microSDHC cards with the IC recorder.
Due to the file system specifications of the IC recorder, you can record and play
back an LPCM file smaller than 2 GB, and an MP3/WMA/AAC‑LC file smaller
than 1 GB using a microSD card.
Note
Operations of all types of compatible microSD cards are not guaranteed.