keyboard shortcuts

mouth wheel can be used to ???

zoom controls: zoom out (alt + scroll mouth wheel)

http://help.adobe.com/en_US/PremierePro/4.0/WS07289E80-3EDC-46ea-ADCF-F5641BB20A80a.html

http://help.adobe.com/en_US/PremierePro/4.0/WS1c9bc5c2e465a58a91cf0b1038518aef7-7c23a.html

http://forums.adobe.com/message/2239369

http://creativemac.digitalmedianet.com/articles/viewarticle.jsp?id=25293-2