and what is he talking about here?
what's the diff between SL and DL?

Q: How do i set SL bitsetting for +R media?
A: Run the supplied Binflash application. Click on the BOOKTYPE button and then the SL +R tab, change this to booktype DVD-ROM then click on APPLY. This setting is stored and does not need to be run again, unless you wish to change the booktype back to +R

Q: How do i use DL +R bitsetting?
A: Run the supplied Binflash application. Click on the BOOKTYPE button and then the DL +R tab, change this to booktype DVD-ROM then click on APPLY. This setting is stored and does not need to be run again, unless you wish to change the booktype back to DL +R