Kenwood has the manual for the KDC-U346 available through the Car Electronics support page: https://www.kenwood.com/cs/ce/ . Enter the model number and click the search button. Click on the link to your model's support and scroll down to find the manuals. The current link to the KDC-U346 manual in English is http://manual.kenwood.com/files/4acea67631aca.pdf . This manual covers several Kenwood models.
Answers & Comments
Kenwood has the manual for the KDC-U346 available through the Car Electronics support page: https://www.kenwood.com/cs/ce/ . Enter the model number and click the search button. Click on the link to your model's support and scroll down to find the manuals. The current link to the KDC-U346 manual in English is http://manual.kenwood.com/files/4acea67631aca.pdf . This manual covers several Kenwood models.
I hope this helps.
Cindy Wells