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30
Things to Check before Reporting
Malfunction
Troubleshooting
If you experience the following symptoms while using the product, please check them again. They may not be
malfunctions.
Symptom Cause and Solution
Power is not
supplied.
• The battery is discharged. Recharge the battery.
- Charge the product by connecting the power cord to the power input terminal.
There is no sound
or the sound is
distorted.
• The volume of product or the connected Bluetooth device may be set to the
minimum. Adjust the volume of product or the connected Bluetooth device to the
appropriate level.
• Using an external device with the maximised sound may distort the sound. Lower the
volume of the external device to use.
The USB storage
device is not
recognised.
• The product may not support the le system of the USB storage device. Format the
USB storage device and reconnect it. When formatting, check the supported USB
storage device format available on the product and select an appropriate le system.
([ See "Connecting to USB" on page 17.)
Bluetooth
connection failed.
• Check if the Bluetooth setting is enabled.
• Turn off the Bluetooth setting and on again on the Bluetooth device.
• Make sure there are no obstacles between product and the Bluetooth device.
• Bluetooth pairing (connecting) may fail depending on the Bluetooth device type and
the surrounding environment.
Things to Check before Reporting Malfunction
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