Sony PX312F - Manual (Page 106)

106 GB
Using the IC Recorder as USB Memory
When the IC recorder is connected to your
computer, image data or text data on the
computer, as well as files recorded using
the IC recorder can be temporarily stored
on the IC recorder.
Your computer must meet the specified
system requirements to use the IC recorder
as USB memory.
For details on the system requirements, see
page 117.