Sony STR-DA5800ES Operating Instructions Manual page 153

SONY
Thank you for purchasing this Sony product. Proper registration will
enable us to send you periodic mailings about new products and other
important announcements. Registering your product will also allow us
to contact you in the unlikely event that it will need adjustment
or modification. Please take the time to register your new product
at our website:
http://www.sony.com/productregistration
You will find the product serial number on the main unit and the
carton box.
If you have any operational questions regarding your new purchase,
please contact your retailer. For the location of a Sony dealer in your
area, or for any other questions, please caii1-800-222-SONY(7669).
Thank you.
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