Unused, I've upgraded and have no use for this. I sold my Sonar 2 user's Guide on eBay, so I know they sell!
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=3776829180
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&rd=1&item=3776829180