Astell & Kern AK500N Instruction Book page 60

Desktop network audio player
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Trouble
Check!
shooting
1. The device won't turn on.
Please check if the power supply is correctly
connected.
2. The operation of the product is unstable.
If you press and hold the power button on the side
longer than 10 seconds, the product will be turned
off. Please turn on the product again and check.
3. The screen turns off repeatedly.
After a certain period time, the screen turns off to
reduce power consumption when playing the file.
Set the time on [Settings – Power- Screen off].
4. The screen is not displaying properly.
Check whether debris is on the screen.
5. There is no sound or there's static.
Verify that the volume isn't set to [0].
Check that the earphones are plugged in properly,
and make sure debris isn't in the port or on the plug.
Verify that the music file is not corrupted.
Verify that the audio settings have been properly
set (balanced, line out, etc.)
6. File will not playback or a specific file causes
instability.
The Following may occur due to the condition
of the file:
- Playback is unstable or difficult.
- The device may not function properly.
- The file may sound different from a computer.
- There may be a difference in the performance
of playback or other functions.
- The file may not be compatible with playback
specifications.
A file conversion or using a different file is
recommended.
5 9
Miscellaneous

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