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CMT-BX30R.GB.3-293-639-11(1)
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Files or folders on the USB device
cannot be erased.
Check if the USB device is write-
protected.
e USB device was disconnected
or the power was turned o during
the erase operation. Delete the
partially-erased le. If this does not
x the problem, the USB device may
be broken. Refer to the USB device
operation manual for how to deal with
this problem. If the problem persists,
contact your nearest Sony dealer.
Are you using a supported USB
device?
If you connect an unsupported USB
device, the following problems may
occur. See “Compatible USB devices
with this system” (page 34) for the
supported device types.
e USB device is not recognized.
File or folder names are not
displayed on this system.
Playback is not possible.
e sound skips.
ere is noise.
A distorted sound is output.
Recording stops before it is nished.
“Over Current” appears.
A problem has been detected with the
level of electrical current from the
(USB) port
. Turn o the system and
remove the USB device from the
(USB) port
. Make sure there is no
problem with the USB device. If this
display pattern persists, contact your
nearest Sony dealer.
There is no sound.
e USB device is not connected
correctly. Turn o the system , then
reconnect the USB device and check if
the USB MEMORY indicator
lights
up.
There is noise, skipping, or distorted
sound.
Turn o the system, then reconnect the
USB device.
e music data itself contains noise, or
the sound is distorted. Noise may have
entered during the recording process.
Delete the le, and try recording again.
The USB device cannot be connected
into the
(USB) port
.
e USB device is being connected
backwards. Connect the USB device in
the correct orientation.
“Reading” is displayed for an
extended time, or it takes a long time
before playback starts.
e reading process can take a long
time in the following cases.
ere are many folders or les on the
USB device.
e le structure is extremely
complex.
e memory capacity is excessive.
e internal memory is fragmented.
us, we recommend following these
guidelines.
Total folders on USB device: 100 or
less
Total les per folder: 100 or less
Continued