IRiver astell & kern AK120, Руководство пользователя

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Other information
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User Guide
Other
Do not use the headphone/earphone or operate the
product while driving a bicycle, automobile or
motorcycle. It not only is dangerous, but also violates
the law in some regions.
Do not use AK120 while driving, walking or hiking.
To avoid accidents, only use the AK120 in a safe place.
When using the AK120 while moving, avoid nearby obstacles.
Do not use the AK120 during thunderstorms.
Use the lowest volume setting that is comfortable.
Prolonged exposure to high volume may damage hearing.
Do not use the headphone/earphone at a high volume.
Make sure that the headphone/earphone does not get
stuck in another object or get caught between other objects.
Do not fall asleep while using the earphone.
Problem-
solving
Please try the following if you are having problems
with your AK120.
1. The device does not power on.
Check the battery power level.
Use the Micro USB cable for charging and recheck.
2. The AK120 is not charging even when the AK120 is
connected to the computer with the Micro USB cable.
Check that the Micro USB cable is properly connected.
3. An error occurs on the PC when the Micro USB is connected.
Check that the Micro USB cable is properly connected.
4. The volume is changed after formatting.
The volume may vary slightly depending on the OS
of your PC.