Where is the complete, up to date, PowerSDR user's manual for my new Flex-3000?

Hello, I am a new user of a brand new Flex-3000! The more I play with this radio the more impressed I am. My problem is that I can't seem to find a current manual for the software. I was playing with the ANF and could not get it as I wanted and then saw the TNF buttons. I looked for the description of what the TNF buttons do and could not find it in what I believe to be the current manual. I did search several forums and on eHam I found some documentation on the Beta release from back in 2011 that released these new controls. I even found a link on eHam to a video on the FlexRadio site that was great. What a cool feature. It's like Christmas all over again! I can't believe how well it works. I also can't believe it's not in the manual so I must not have the current one since this feature was release over 2 years ago. Can someone point me to the current manual? If such a document does not exist then what is the best way for a new user like myself catch up on all these cool features? I want to know what other "goodies" I have not discovered. I can discover them as I did the TNF feature but just want to see if there is another way. The latest document I can find appears to be for 2.0. I guess I could get the release notes for all releases since then to see what's been added but I would need a list of all the releases. Thanks in advance for any information. Harold W5ZZT