I too recently bought this iPod dock for my TX-SR607. As far as I know, the UP-A1 is only capable of connecting to the TX-SR607, TX-SR507 and TX-SR307. Onkyo advertises the following...
"The UP-A1 also offers handy features found on previous Onkyo docks: recharging capability; onscreen display for content navigation and selection;"
After ordering this dock and trying it out, I discovered I could not get the on screen navigation to work. After contacting Onkyo's support, this was there reply...
"Thank You for contacting Onkyo USA Product Support.
Unfortunately with the TXSR 607, 507, and the 307 are unable to show the OSD for the UPA1 dockstation. Thank you, Jen"
Please tell me how you can advertise something that does not even function for the only models it can connect to? Total bs.