dcrpc300 is a non us model number. you can try to search by going to sony website of its country where it was purchase. try www.sony.net

Don't see anything on the DCR-PC300, but there are manuals for the DCR-PC3 and DCR-PC330 avaialable for a free download. Click on the link below and type in your model. One of these manuals might be close to what you need. http://esupport.sony.com/perl/select-system.pl?DIRECTOR=DOCS Eric