Sony HT-M3, Operating Instructions Manual

Page: 57 / 128

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• No stations have been preset or the preset
stations have been cleared (when tuning by
scanning preset stations is used). Preset the
stations (page 39).
• Press DISPLAY repeatedly so that the
frequency appears on the display panel.
Are you using a supported USB
device?
• If you connect an unsupported USB
device, the following problems may occur.
See “Compatible USB devices” (page 34)
for the supported device types.
– The USB device is not recognized.
– File or folder names are not displayed
on this receiver.
– Playback is not possible.
– The sound skips.
– There is noise.
– A distorted sound is output.
There is noise, skipping, or distorted
sound.
• Turn off the receiver and reconnect the
USB device, then turn on the receiver.
• The music data itself contains noise, or the
sound is distorted.
The USB device is not recognized.
• Turn off the receiver, then disconnect the
USB device. Turn on the receiver again
and reconnect the USB device.
• Connect the supported USB device
(page 34).
• The USB device does not work properly.
Refer to the USB device operating
instruction on how to deal with this
problem.
Playback does not start.
• Turn off the receiver and reconnect the
USB device, then turn on the receiver.
• Connect the supported USB device
(page 34).
• Press NX to start playback.
The USB device cannot be connected
into the
(USB) port.
• The USB device is being connected upside
down. Connect the USB device in the
correct orientation.
Erroneous display.
• The data stored in the USB device may
have been corrupted.
• The character codes that can be displayed
by this receiver are as follows:
– Upper cases (A to Z)
– Numbers (0 to 9)
– Symbols (= < > * + , – . / [ \ ] _ )
Other characters may not be displayed
correctly.
“READING” is displayed for an
extended time, or it takes a long time
before playback starts.
• The reading process can take a long time
in the following cases.
– There are many folders or files on the
USB device.
– The file structure is extremely complex.
– The memory capacity is excessive.
– The internal memory is fragmented.
Thus, we recommend following these
guidelines.
– Total folders on USB device: 100 or less
(including “ROOT” folder)
– Total files per folder: 100 or less.
Audio file cannot be played back.
• MP3 files in MP3 PRO format cannot be
played back.
• The audio file is a multiple track audio file.
• Some AAC files may not be played back
correctly.
• WMA files in Windows Media Audio
Lossless and Professional format cannot
be played back.
• USB device formatted with file systems
other than FAT16 or FAT32 are
unsupported.*
• If you use partitioned USB device, only
audio files on the first partition can be
played back.
USB device
continued