2. What should I do if K9 is abnormal? And instructions for safe use

[No sound, noise, unable to start]]

the following methods can help you troubleshoot the cause:

1. Reseat the power supply, re-switch the switch on the back, you can restart K9 by re-switching the boat switch on the rear panel

2. Remove the fuse at the power plug and replace it. Confirm whether the fuse is blown.

3. Confirm whether the volume wheel indicator is lit, no should be in mute mode, short press the power button

4. Replace the input terminal: When connecting the front panel earphone, [OUTPUT] needs to be switched to [PO], switch other input ports, or replace it with a mobile phone under USB. The computer input is used to locate whether the fault comes from K9 or the front end.

5. Replace the output end: such as headphones, earphone line, replace the line output, balanced output and other outputs to locate the fault

6. Software side: There are many reasons for the failure of the software side, which can be eliminated by the following methods: whether DAC driver is installed, whether the playback software and the output of the system are correspondingly switched to K9, and whether Flac and DSD tracks of other sampling rates can be played; Or try to press the Input key for 5 seconds to restore K9 to factory settings

If the above methods cannot be solved, please contact our public number customer service "Feiao" manual customer service to give you further detailed answers.

[water intake]]

immediately shut down and stop using, not for power supply, placed in a dry place, contact our customer service registration repair