Sony PCM-D10 Help Manual page 7

You hear sound from the built-in speaker even when headphones (not supplied) are connected.
The Equalizer function does not change sound quality.
Playback speed is too fast or too slow.
You cannot play a file.
Editing
You cannot delete a file.
You cannot divide a file.
You cannot move a file.
You cannot copy a file to a different folder.
Track marks are not detected.
The folder or file you created is not displayed.
Clock
The recording date of a file appears as [--y--m--d--:--].
Display
There are fewer menu items on the OPTION menu.
A folder or file name appears in unreadable characters.
The [Please Wait] message does not disappear.
Files
The [Memory Full] message appears and you cannot start recording.
The [File Full] message appears and you cannot operate the linear PCM recorder.
The SD card is not detected.
Computer
Copying a file takes time.
The linear PCM 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 linear PCM recorder and you cannot play the file.
The computer does not start.
Bluetooth audio device
You cannot make device registration (pairing) between the linear PCM recorder and the other device.
You cannot establish a Bluetooth connection.
You cannot establish a Bluetooth connection with the one-touch operation (NFC connection).
You cannot control the volume of the Bluetooth audio device.
REC Remote
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