Need Jungson AV-899C (AV-MC580DK) Manual

[raelman]

Hello.
I need user manual (if service manual available much better) for Jungson AV-899C (AV-MC580DK).

I do already have the JA-88D schema and the JA99 as well, but I need the user manual for this AV-899C to try to rester to factory default and lñater configure it.

Thank you

 

[Victor8]

Also looking for instructions or a procedure for resetting to factory settings.
Thanks in advance to everyone who responded.