Sony ICD-PX470 Help Manual page 7

You hear sound from the built-in speaker even when headphones (not supplied) are connected.
Playback speed is too fast or too slow.
Editing
You cannot divide a file.
You cannot move a file.
You cannot copy a file to a different folder.
The folder or file you created is not displayed.
Clock
The recording date of a file appears as "----/--/--" or "--:--."
The clock setting is reset.
Display
The remaining recording time on the display window is shorter than the one displayed on the computer.
Files
The "Memory Full" message appears and you cannot start recording.
The "File Full" message appears and you cannot operate the IC recorder.
The microSD card is not detected.
Computer
A folder or file name appears in unreadable characters.
Copying a file takes time.
The IC recorder is not detected by the computer and you cannot transfer folders/files from the computer.
The file you transferred from the computer does not appear on the IC recorder and you cannot play the file.
The computer does not start.
Software operations (Sound Organizer 2)
You cannot install Sound Organizer 2.
The IC recorder is not detected by Sound Organizer 2.
The playback volume of the computer is low or you hear no audio from the computer.
You cannot play or edit stored files.
The counter or slider does not operate correctly or you hear noise.
Operations slow down as the number of stored files increases.